1. © T Madas

2. 8 square units 2 square units 12 square units 12 square units
What is the area of the shaded part of the diagram? 1 1 2 6
8 square units
2 square units 2 2 8 4 8
12 square units
12 square units
© T Madas

3. 7 square units 8 square units 12 square units 6 square units
What is the area of the shaded part of the diagram? 4 3 2 6
7 square units
8 square units 4 4 8 2
12 square units
6 square units
© T Madas

4. 8 square units 8 square units 10 square units 9 square units
What is the area of the shaded part of the diagram? 1 3 2 2 1 3 1 3
8 square units
8 square units 2 4 1 2 4 4 2
10 square units
9 square units
© T Madas

5. 8 square units 18 square units 12 square units 16 square units
What is the area of the shaded part of the diagram? 4 4 12 6
8 square units
18 square units 8 2 5 4 3 6
12 square units
16 square units
© T Madas

6. You have 1 minute to work out the area of the shaded part of the following grid.5 10 15 20 25 30 35 40 45 50 55
Half of every little square is shaded
… therefore …
… half the grid is shaded …
… the shaded part is 8 square units.
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7. © T Madas

8. 8 square units 2 square units 12 square units 12 square units
What is the area of the shaded part of the diagram? 1 1 2 6
8 square units
2 square units 2 2 8 4 8
12 square units
12 square units
© T Madas

9. 7 square units 8 square units 12 square units 6 square units
What is the area of the shaded part of the diagram? 4 3 2 6
7 square units
8 square units 4 4 8 2
12 square units
6 square units
© T Madas

10. 8 square units 8 square units 10 square units 9 square units
What is the area of the shaded part of the diagram? 1 3 2 2 1 3 1 3
8 square units
8 square units 2 4 1 2 4 4 2
10 square units
9 square units
© T Madas

11. 8 square units 18 square units 12 square units 16 square units
What is the area of the shaded part of the diagram? 4 4 12 6
8 square units
18 square units 8 2 5 4 3 6
12 square units
16 square units
© T Madas

12. You have 1 minute to work out the area of the shaded part of the following grid.5 10 15 20 25 30 35 40 45 50 55
Half of every little square is shaded
… therefore …
… half the grid is shaded …
… the shaded part is 8 square units.
© T Madas

13. © T Madas