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WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
---|---|---|---|---|---|---|---|---|
1 | 1 |
Area
|
Surface area of a cylinder
|
By the end of the lesson, the learner should be able to:
Work out the surface area of a cylinder |
Discussions
Demonstrations Measuring length Estimating area Converting units of areas Doing exercises |
Regular cylinders
Square paper Square board Model of a cylinder |
Discovering secondary mathematics Book 1 Pages 126-128
Secondary mathematics KLB book 1 pages 137-138 Secondary mathematics KIE book 1 page 131-132 Advancing in mathematics book 1 pages 118 |
|
1 | 2 |
Area
|
Surface area of a cylinder
|
By the end of the lesson, the learner should be able to:
Work out the surface area of a cylinder |
Discussions
Demonstrations Measuring length Estimating area Converting units of areas Doing exercises |
Regular cylinders
Square paper Square board Model of a cylinder |
Discovering secondary mathematics Book 1 Pages 126-128
Secondary mathematics KLB book 1 pages 137-138 Secondary mathematics KIE book 1 page 131-132 Advancing in mathematics book 1 pages 118 |
|
1 | 3-4 |
Area
Volume & Capacity |
Surface area of a cylinder
Units of volume |
By the end of the lesson, the learner should be able to:
Work out the surface area of a cylinder State the units of volume in cubic units and convert one from another |
Discussions
Demonstrations Measuring length Estimating area Converting units of areas Doing exercises Discussions Measuring length, width and height Measuring volume Calculating the volume of a cuboid |
Regular cylinders
Square paper Square board Model of a cylinder Equipment for measuring volume |
Discovering secondary mathematics Book 1 Pages 126-128
Secondary mathematics KLB book 1 pages 137-138 Secondary mathematics KIE book 1 page 131-132 Advancing in mathematics book 1 pages 118 Discovering secondary mathematics Book 1 Pages 129 Secondary mathematics KLB book 1 pages 143 Secondary mathematics KIE book 1 page 131-136 Advancing in mathematics book 1 pages 121 |
|
1 | 5 |
Volume & Capacity
|
Units of volume
|
By the end of the lesson, the learner should be able to:
State the units of volume in cubic units and convert one from another |
Discussions
Measuring length, width and height Measuring volume Calculating the volume of a cuboid |
Equipment for measuring volume
|
Discovering secondary mathematics Book 1 Pages 129
Secondary mathematics KLB book 1 pages 143 Secondary mathematics KIE book 1 page 131-136 Advancing in mathematics book 1 pages 121 |
|
1 | 6 |
Volume & Capacity
|
Volume of cuboids and cylinders
|
By the end of the lesson, the learner should be able to:
Calculate the volume of cuboids and cylinders |
Discussions
Demonstrations Measuring lengths Calculating volume |
Cubes, cuboids and cylinders
Models of cubes cuboids and cylinders Measuring instruments for volume |
Discovering secondary mathematics Book 1 Pages 130-131
Secondary mathematics KLB book 1 pages 143-145 Secondary mathematics KIE book 1 page 136-138 Advancing in mathematics book 1 pages 121 |
|
2 | 1 |
Volume & Capacity
|
Capacity
|
By the end of the lesson, the learner should be able to:
Show the relationship between volume and capacity and solve problems involving volume and capacity |
Discussions
Demonstrations Measuring capacity Calculating capacity Converting capacity to volume and vise versa |
Measuring instruments for capacity
|
Discovering secondary mathematics Book 1 Pages 131-133
Secondary mathematics KLB book 1 pages 146 Secondary mathematics KIE book 1 page 136-138 Advancing in mathematics book 1 pages 123-124 |
|
2 | 2 |
Volume & Capacity
|
Capacity
|
By the end of the lesson, the learner should be able to:
Show the relationship between volume and capacity and solve problems involving volume and capacity |
Discussions
Demonstrations Measuring capacity Calculating capacity Converting capacity to volume and vise versa |
Measuring instruments for capacity
|
Discovering secondary mathematics Book 1 Pages 131-133
Secondary mathematics KLB book 1 pages 146 Secondary mathematics KIE book 1 page 136-138 Advancing in mathematics book 1 pages 123-124 |
|
2 | 3-4 |
Volume & Capacity
|
Capacity
|
By the end of the lesson, the learner should be able to:
Show the relationship between volume and capacity and solve problems involving volume and capacity |
Discussions
Demonstrations Measuring capacity Calculating capacity Converting capacity to volume and vise versa |
Measuring instruments for capacity
|
Discovering secondary mathematics Book 1 Pages 131-133
Secondary mathematics KLB book 1 pages 146 Secondary mathematics KIE book 1 page 136-138 Advancing in mathematics book 1 pages 123-124 |
|
2 | 5 |
Mass, Weight And Density
|
Units of mass, weight and density
|
By the end of the lesson, the learner should be able to:
Define mass, weight and density State their units and relate mass weight and density |
Discussions
Measuring Calculating Converting |
Masses
Measuring cylinders Weights Spring balance Beam balance lactometer |
Discovering secondary mathematics Book 1 Pages 134-135
Secondary mathematics KLB book 1 pages 149-151 Secondary mathematics KIE book 1 page 140-141 Advancing in mathematics book 1 pages 126-127 |
|
2 | 6 |
Mass, Weight And Density
|
Units of mass, weight and density
|
By the end of the lesson, the learner should be able to:
Define mass, weight and density State their units and relate mass weight and density |
Discussions
Measuring Calculating Converting |
Masses
Measuring cylinders Weights Spring balance Beam balance lactometer |
Discovering secondary mathematics Book 1 Pages 134-135
Secondary mathematics KLB book 1 pages 149-151 Secondary mathematics KIE book 1 page 140-141 Advancing in mathematics book 1 pages 126-127 |
|
3 | 1 |
Time
|
Converting units of time
|
By the end of the lesson, the learner should be able to:
Convert the units of time from one form to another |
Discussions
Converting time, events Calculating |
Clock,
Watches Conversion tables Travel timetable for trains, busses, ships and aero planes |
Discovering secondary mathematics Book 1 Pages 136-137
Secondary mathematics KLB book 1 pages 153-154 Secondary mathematics KIE book 1 page 142 Advancing in mathematics book 1 pages 129 |
|
3 | 2 |
Time
|
Converting units of time
|
By the end of the lesson, the learner should be able to:
Convert the units of time from one form to another |
Discussions
Converting time, events Calculating |
Clock,
Watches Conversion tables Travel timetable for trains, busses, ships and aero planes |
Discovering secondary mathematics Book 1 Pages 136-137
Secondary mathematics KLB book 1 pages 153-154 Secondary mathematics KIE book 1 page 142 Advancing in mathematics book 1 pages 129 |
|
3 | 3-4 |
Time
|
The 12 hour and 24 hour clocks
|
By the end of the lesson, the learner should be able to:
State time in the 12 hour and 24 hour clocks |
Discussions
Timing, events Reading time Converting time |
Clock,
Watches Conversion tables Travel timetable for trains, busses, ships and aero planes |
Discovering secondary mathematics Book 1 Pages 138-141
Secondary mathematics KLB book 1 pages 154-155 Secondary mathematics KIE book 1 page 129-130 Advancing in mathematics book 1 pages 142 |
|
3 | 5 |
Time
|
The 12 hour and 24 hour clocks
|
By the end of the lesson, the learner should be able to:
State time in the 12 hour and 24 hour clocks |
Discussions
Timing, events Reading time Converting time |
Clock,
Watches Conversion tables Travel timetable for trains, busses, ships and aero planes |
Discovering secondary mathematics Book 1 Pages 138-141
Secondary mathematics KLB book 1 pages 154-155 Secondary mathematics KIE book 1 page 129-130 Advancing in mathematics book 1 pages 142 |
|
3 | 6 |
Time
|
Travel timetables
|
By the end of the lesson, the learner should be able to:
Read and interpret travel timetable Solve problems involving travel timetable |
Discussions
Solving problems Reading the travel timetable Travelling |
Clock,
Watches Conversion tables Travel timetable for trains, busses, ships and aero planes |
Discovering secondary mathematics Book 1 Pages 141-143
Secondary mathematics KLB book 1 pages 156-157 Advancing in mathematics book 1 pages 131-132 |
|
4 | 1 |
Rate, Ratio, Percentages And Proportion
|
Rates and ratio
|
By the end of the lesson, the learner should be able to:
Define rate and ratio Solve problems involving rates Use ratio to compare increase and decrease quantities |
Discussions
Solving problems Sharing things equally Doing exercises Sharing quantities in given ratio |
Real life experience
Currency Counters |
Discovering secondary mathematics Book 1 Pages 144-151
Secondary mathematics KLB book 1 pages 96-98 Secondary mathematics KIE book 1 page 162-164 Advancing in mathematics book 1 pages 86-88 |
|
4 | 2 |
Rate, Ratio, Percentages And Proportion
|
Rates and ratio
|
By the end of the lesson, the learner should be able to:
Define rate and ratio Solve problems involving rates Use ratio to compare increase and decrease quantities |
Discussions
Solving problems Sharing things equally Doing exercises Sharing quantities in given ratio |
Real life experience
Currency Counters |
Discovering secondary mathematics Book 1 Pages 144-151
Secondary mathematics KLB book 1 pages 96-98 Secondary mathematics KIE book 1 page 162-164 Advancing in mathematics book 1 pages 86-88 |
|
4 | 3-4 |
Rate, Ratio, Percentages And Proportion
|
Rates and ratio
Proportion |
By the end of the lesson, the learner should be able to:
Define rate and ratio Solve problems involving rates Use ratio to compare increase and decrease quantities Change quantities in a given ratio and proportion |
Discussions
Solving problems Sharing things equally Doing exercises Sharing quantities in given ratio Discussions Doing exercises Sharing out quantities in a given ratio |
Real life experience
Currency Counters Currency Counters Real life experience |
Discovering secondary mathematics Book 1 Pages 144-151
Secondary mathematics KLB book 1 pages 96-98 Secondary mathematics KIE book 1 page 162-164 Advancing in mathematics book 1 pages 86-88 Discovering secondary mathematics Book 1 Pages 151-153 Secondary mathematics KLB book 1 pages 97-102 Secondary mathematics KIE book 1 page 165-166 Advancing in mathematics book 1 pages 88-93 |
|
4 | 5 |
Rate, Ratio, Percentages And Proportion
|
Proportion
|
By the end of the lesson, the learner should be able to:
Change quantities in a given ratio and proportion |
Discussions
Doing exercises Sharing out quantities in a given ratio |
Currency
Counters Real life experience |
Discovering secondary mathematics Book 1 Pages 151-153
Secondary mathematics KLB book 1 pages 97-102 Secondary mathematics KIE book 1 page 165-166 Advancing in mathematics book 1 pages 88-93 |
|
4 | 6 |
Rate, Ratio, Percentages And Proportion
|
percentages
|
By the end of the lesson, the learner should be able to:
Convert fractions and decimals to percentages Calculate the percentage change in a quantity |
Discussions
Doing exercises |
100 square grid
100 items Counters |
Discovering secondary mathematics Book 1 Pages 153-157
Secondary mathematics KLB book 1 pages 105-106 Secondary mathematics KIE book 1 page 169-170 Advancing in mathematics book 1 pages 94-97 |
|
5 | 1 |
Commercial Arthimetric
|
Currency conversion
|
By the end of the lesson, the learner should be able to:
? Education Plus Agencies State the currencies of different countries and convert currency from one form to another |
Discussions
Solving problems involving currency exchange rates Giving change and balance |
Actual currency exchange rate table
Actual currency Newspaper/magazine |
Discovering secondary mathematics Book 1 Pages 158-162
Secondary mathematics KLB book 1 pages 171-173 Secondary mathematics KIE book 1 page 208-213 Advancing in mathematics book 1 pages 149-152 |
|
5 | 2 |
Commercial Arthimetric
|
Currency conversion
|
By the end of the lesson, the learner should be able to:
? Education Plus Agencies State the currencies of different countries and convert currency from one form to another |
Discussions
Solving problems involving currency exchange rates Giving change and balance |
Actual currency exchange rate table
Actual currency Newspaper/magazine |
Discovering secondary mathematics Book 1 Pages 158-162
Secondary mathematics KLB book 1 pages 171-173 Secondary mathematics KIE book 1 page 208-213 Advancing in mathematics book 1 pages 149-152 |
|
5 | 3-4 |
Commercial Arthimetric
|
Currency conversion
|
By the end of the lesson, the learner should be able to:
? Education Plus Agencies State the currencies of different countries and convert currency from one form to another |
Discussions
Solving problems involving currency exchange rates Giving change and balance |
Actual currency exchange rate table
Actual currency Newspaper/magazine |
Discovering secondary mathematics Book 1 Pages 158-162
Secondary mathematics KLB book 1 pages 171-173 Secondary mathematics KIE book 1 page 208-213 Advancing in mathematics book 1 pages 149-152 |
|
5 | 5 |
Commercial Arthimetric
|
Profit and loss, Discount and commission
|
By the end of the lesson, the learner should be able to:
|
Discussions
Doing exercises Illustrations Demonstrations |
Resource person
Real life Retail shops |
Discovering secondary mathematics Book 1 Pages 162-165
Secondary mathematics KLB book 1 pages 175-178 Secondary mathematics KIE book 1 page 216-218 Advancing in mathematics book 1 pages 153-155 |
|
5 | 6 |
Commercial Arthimetric
|
Profit and loss, Discount and commission
|
By the end of the lesson, the learner should be able to:
|
Discussions
Doing exercises Illustrations Demonstrations |
Resource person
Real life Retail shops |
Discovering secondary mathematics Book 1 Pages 162-165
Secondary mathematics KLB book 1 pages 175-178 Secondary mathematics KIE book 1 page 216-218 Advancing in mathematics book 1 pages 153-155 |
|
6 | 1 |
Scale Drawing And Angles Of Elevation And Depression
|
Indicating scale
|
By the end of the lesson, the learner should be able to:
Read, interpret and indicate scale in linear statement ratio |
Discussions
Solving problems Drawing to scale Writing scale Interpreting scale Determining scale |
Ruler
Tape measure Figure drawn to scale photographs |
Discovering secondary mathematics Book 1 Pages 116-168
Secondary mathematics KLB book 1 pages 248-250 Secondary mathematics KIE book 1 page 185 Advancing in mathematics book 1 pages 209-210 |
|
6 | 2 |
Scale Drawing And Angles Of Elevation And Depression
|
Indicating scale
|
By the end of the lesson, the learner should be able to:
Read, interpret and indicate scale in linear statement ratio |
Discussions
Solving problems Drawing to scale Writing scale Interpreting scale Determining scale |
Ruler
Tape measure Figure drawn to scale photographs |
Discovering secondary mathematics Book 1 Pages 116-168
Secondary mathematics KLB book 1 pages 248-250 Secondary mathematics KIE book 1 page 185 Advancing in mathematics book 1 pages 209-210 |
|
6 | 3-4 |
Scale Drawing And Angles Of Elevation And Depression
|
Indicating scale
Angles of elevation & depression |
By the end of the lesson, the learner should be able to:
Read, interpret and indicate scale in linear statement ratio Determine the angles of elevation and depression |
Discussions
Solving problems Drawing to scale Writing scale Interpreting scale Determining scale Discussions Drawing to scale Doing exercises Solving problems Measuring angles/lengths |
Ruler
Tape measure Figure drawn to scale photographs |
Discovering secondary mathematics Book 1 Pages 116-168
Secondary mathematics KLB book 1 pages 248-250 Secondary mathematics KIE book 1 page 185 Advancing in mathematics book 1 pages 209-210 Discovering secondary mathematics Book 1 Pages 168-172 Secondary mathematics KLB book 1 pages 256-260 Secondary mathematics KIE book 1 page 187-192 Advancing in mathematics book 1 pages 211 |
|
6 | 5 |
Scale Drawing And Angles Of Elevation And Depression
|
Angles of elevation & depression
|
By the end of the lesson, the learner should be able to:
Determine the angles of elevation and depression |
Discussions
Drawing to scale Doing exercises Solving problems Measuring angles/lengths |
Ruler
Tape measure Figure drawn to scale photographs |
Discovering secondary mathematics Book 1 Pages 168-172
Secondary mathematics KLB book 1 pages 256-260 Secondary mathematics KIE book 1 page 187-192 Advancing in mathematics book 1 pages 211 |
|
6 | 6 |
Scale Drawing And Angles Of Elevation And Depression
|
Angles of elevation & depression
|
By the end of the lesson, the learner should be able to:
Determine the angles of elevation and depression |
Discussions
Drawing to scale Doing exercises Solving problems Measuring angles/lengths |
Ruler
Tape measure Figure drawn to scale photographs |
Discovering secondary mathematics Book 1 Pages 168-172
Secondary mathematics KLB book 1 pages 256-260 Secondary mathematics KIE book 1 page 187-192 Advancing in mathematics book 1 pages 211 |
|
7 | 1 |
Scale Drawing And Angles Of Elevation And Depression
|
Bearing
|
By the end of the lesson, the learner should be able to:
State the bearing of a point from another point |
Discussions
Drawing to scale Measuring angles/lengths Solving problems involving bearings |
Ruler
Tape measure Protractor Set square Plumb line |
Discovering secondary mathematics Book 1 Pages 173-175
Secondary mathematics KLB book 1 pages 251-252 Secondary mathematics KIE book 1 page 193-195 Advancing in mathematics book 1 pages 211-213 |
|
7 | 2 |
Scale Drawing And Angles Of Elevation And Depression
|
Bearing
|
By the end of the lesson, the learner should be able to:
State the bearing of a point from another point |
Discussions
Drawing to scale Measuring angles/lengths Solving problems involving bearings |
Ruler
Tape measure Protractor Set square Plumb line |
Discovering secondary mathematics Book 1 Pages 173-175
Secondary mathematics KLB book 1 pages 251-252 Secondary mathematics KIE book 1 page 193-195 Advancing in mathematics book 1 pages 211-213 |
|
7 | 3-4 |
Scale Drawing And Angles Of Elevation And Depression
Bearing And Surveying |
Bearing
Methods of surveying |
By the end of the lesson, the learner should be able to:
State the bearing of a point from another point Apply scale drawing in methods of surveying |
Discussions
Drawing to scale Measuring angles/lengths Solving problems involving bearings Discussions Drawing to scale Measuring angles/lengths Estimating area |
Ruler
Tape measure Protractor Set square Plumb line Geometrical sets Clinometers Surveying equipment Protractor Ruler Playfield School compound |
Discovering secondary mathematics Book 1 Pages 173-175
Secondary mathematics KLB book 1 pages 251-252 Secondary mathematics KIE book 1 page 193-195 Advancing in mathematics book 1 pages 211-213 Discovering secondary mathematics Book 1 Pages 176-178 Secondary mathematics KLB book 1 pages 262-265 Secondary mathematics KIE book 1 page 199-202 Advancing in mathematics book 1 pages 213-216 |
|
7 | 5 |
Bearing And Surveying
|
Methods of surveying
|
By the end of the lesson, the learner should be able to:
Apply scale drawing in methods of surveying |
Discussions
Drawing to scale Measuring angles/lengths Estimating area |
Geometrical sets
Clinometers Surveying equipment Protractor Ruler Playfield School compound |
Discovering secondary mathematics Book 1 Pages 176-178
Secondary mathematics KLB book 1 pages 262-265 Secondary mathematics KIE book 1 page 199-202 Advancing in mathematics book 1 pages 213-216 |
|
7 | 6 |
Bearing And Surveying
|
Area of irregular shapes
|
By the end of the lesson, the learner should be able to:
Determine the area of irregular shapes using surveying techniques |
Discussions
Measuring lengths/objects Drawing scale Estimating are |
Geometrical sets
Clinometers Surveying equipment Protractor Ruler Playfield School compound |
Discovering secondary mathematics Book 1 Pages 178-181
Secondary mathematics KLB book 1 pages 267-268 Secondary mathematics KIE book 1 page 205-206 Advancing in mathematics book 1 pages 216-220 |
|
8 | 1 |
Common Solids
|
Regular solids
|
By the end of the lesson, the learner should be able to:
Identify and sketch common solids |
Discussions
Counting sides faces and vertices Sketching solids |
Models of common solids
Actual solids |
Discovering secondary mathematics Book 1 Pages 182-185
Secondary mathematics KLB book 1 pages 271-276 Secondary mathematics KIE book 1 page 248-254 Advancing in mathematics book 1 pages 222-227 |
|
8 | 2 |
Common Solids
|
Regular solids
|
By the end of the lesson, the learner should be able to:
Identify and sketch common solids |
Discussions
Counting sides faces and vertices Sketching solids |
Models of common solids
Actual solids |
Discovering secondary mathematics Book 1 Pages 182-185
Secondary mathematics KLB book 1 pages 271-276 Secondary mathematics KIE book 1 page 248-254 Advancing in mathematics book 1 pages 222-227 |
|
8 | 3-4 |
Common Solids
|
Regular solids
|
By the end of the lesson, the learner should be able to:
Identify and sketch common solids |
Discussions
Counting sides faces and vertices Sketching solids |
Models of common solids
Actual solids |
Discovering secondary mathematics Book 1 Pages 182-185
Secondary mathematics KLB book 1 pages 271-276 Secondary mathematics KIE book 1 page 248-254 Advancing in mathematics book 1 pages 222-227 |
|
8 | 5 |
Common Solids
|
Nets of solids
|
By the end of the lesson, the learner should be able to:
Sketch, draw nets of solids and make models of solids from the nets |
Discussions
Sketching Drawing to scale Drawing accurately Making models |
Models of common solids
Examples of the common solids |
Discovering secondary mathematics Book 1 Pages 186-188
Secondary mathematics KLB book 1 pages 277-283 Secondary mathematics KIE book 1 page 255-260 Advancing in mathematics book 1 pages 228-229 |
|
8 | 6 |
Common Solids
|
Nets of solids
|
By the end of the lesson, the learner should be able to:
Sketch, draw nets of solids and make models of solids from the nets |
Discussions
Sketching Drawing to scale Drawing accurately Making models |
Models of common solids
Examples of the common solids |
Discovering secondary mathematics Book 1 Pages 186-188
Secondary mathematics KLB book 1 pages 277-283 Secondary mathematics KIE book 1 page 255-260 Advancing in mathematics book 1 pages 228-229 |
|
9 | 1 |
Common Solids
|
Surface area of solids
|
By the end of the lesson, the learner should be able to:
Calculate the surface area of solid from nets |
Discussions
Sketching Making models Drawing to scale |
Models of common solids
Actual solids |
Discovering secondary mathematics Book 1 Pages 188-189
Secondary mathematics KLB book 1 pages 284-285 Secondary mathematics KIE book 1 page 264-265 Advancing in mathematics book 1 pages 230-231 |
|
9 | 2 |
Common Solids
|
Surface area of solids
|
By the end of the lesson, the learner should be able to:
Calculate the surface area of solid from nets |
Discussions
Sketching Making models Drawing to scale |
Models of common solids
Actual solids |
Discovering secondary mathematics Book 1 Pages 188-189
Secondary mathematics KLB book 1 pages 284-285 Secondary mathematics KIE book 1 page 264-265 Advancing in mathematics book 1 pages 230-231 |
|
9 | 3-4 |
Common Solids
|
Surface area of solids
Distance between two points on the surface area of solid |
By the end of the lesson, the learner should be able to:
Calculate the surface area of solid from nets Determine the distance between two points on the surface of a solid |
Discussions
Sketching Making models Drawing to scale Discussions Sketching Making models Drawing to scale Measuring lengths/angles |
Models of common solids
Actual solids Sketches of cubes and cuboids charts |
Discovering secondary mathematics Book 1 Pages 188-189
Secondary mathematics KLB book 1 pages 284-285 Secondary mathematics KIE book 1 page 264-265 Advancing in mathematics book 1 pages 230-231 Discovering secondary mathematics Book 1 Pages 189-191 Secondary mathematics KLB book 1 pages 286-288 Advancing in mathematics book 1 pages 231-233 |
|
9 | 5 |
Common Solids
|
Distance between two points on the surface area of solid
|
By the end of the lesson, the learner should be able to:
Determine the distance between two points on the surface of a solid |
Discussions
Sketching Making models Drawing to scale Measuring lengths/angles |
Sketches of cubes and cuboids
charts |
Discovering secondary mathematics Book 1 Pages 189-191
Secondary mathematics KLB book 1 pages 286-288 Advancing in mathematics book 1 pages 231-233 |
|
9 | 6 |
Common Solids
|
Distance between two points on the surface area of solid
|
By the end of the lesson, the learner should be able to:
Determine the distance between two points on the surface of a solid |
Discussions
Sketching Making models Drawing to scale Measuring lengths/angles |
Sketches of cubes and cuboids
charts |
Discovering secondary mathematics Book 1 Pages 189-191
Secondary mathematics KLB book 1 pages 286-288 Advancing in mathematics book 1 pages 231-233 |
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