Page 62 - Mathematics_Std_4

Exercise 3

1. cm mm 2. cm mm 3. m dm mm
13 3 1 9 3 6 7
FOR ONLINE READING ONLY
+ 5 4 + 3 2 + 7 5 9

4. km hm 5. m cm mm 6. km dam m

5 6 4 25 4 8 9 7
+ 2 8 + 6 80 8 + 5 8 4

7. km m cm 8. km m 9. dm cm mm
4 40 26 9 56 14 4 6

3 22 68 + 6 48 40 8 6
+ 5 71 23 + 12 3 1

Subtraction of measurements of length
Subtraction can be performed when the measurements are of

the same units. Mixed measurements can be subtracted after
converting them using their relationships.

Example 1

m cm

4 45
− 2 20

55

06/11/2024 17:17:09
MATHEMATICS STD 4 PB 2024.indd 55
MATHEMATICS STD 4 PB 2024.indd 55 06/11/2024 17:17:09