Page 73 - Mathematics_Std_4

Exercise 7

1. t kg 2. kg dag 3. g mg

6 750 4 75 2 175
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+ 5 250 + 8 25 + 3 945

4. hg dg 5. t dag 6. kg g
19 375 4 500 3 800

+ 14 765 + 7 660 + 3 434

7. kg g 8. t cg mg 9. t hg g

3 460 12 216 9 50 90 10
+ 1 630 + 5 801 6 25 70 30

+ 20 55 30

10. hg g cg 11. hg dg 12. t kg g

40 80 30 14 365 9 896 735
71 14 40 9 475 + 8 250 289

+ 20 22 70 + 3 300

Subtraction of measurements of mass

Metric units of mass of the same measurement can be subtracted.
Start by subtracting smaller units followed by larger units. In
regrouping the units, the relationship between the given units
should be considered.

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MATHEMATICS STD 4 PB 2024.indd 66
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