Page 123 - Mathematics_Std_4

3
2. Shade horizontally.
4
5
3. Shade vertically.
8
FOR ONLINE READING ONLY
3
5
4. The squares that are shaded twice are the product of × .
8 4
5. Count the number of squares that have been shaded
twice: you get 15 squares, which is the numerator.

6. Count all shaded and unshaded squares. The total is 32
which is the denominator.

5 3 15
Therefore, × = .
8 4 32

Exercise 4

1. 2 × 3 = 2. 6 × 1 = 3. 2 × 3 =
5 7 9 7 4 5

4. 3 × 5 = 5. 13 × 2 = 6. 7 × 1 =
8 10 15 4 12 6

7. 4 × 6 = 8. 1 × 2 = 9. 2 × 7 =
5 11 4 7 3 10

10. 8 × 1 = 11. 2 × 4 = 12. 11 × 1 =
9 3 3 7 13 5

13. 3 × 1 = 14. 5 × 4 = 15. 7 × 1 =
14 2 9 6 8 5

16. 2 × 4 = 17. 3 × 5 = 18. 3 × 6 =
11 5 5 9 4 10

116

06/11/2024 17:17:36
MATHEMATICS STD 4 PB 2024.indd 116 06/11/2024 17:17:36
MATHEMATICS STD 4 PB 2024.indd 116