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Subtraction of masses
With or without regrouping

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Published by wdy.tan303, 2021-10-13 16:49:07

Subtraction of masses

Subtraction of masses
With or without regrouping

subtraction of Masses
With / without regrouping

Objective:
Able to subtract masses with compound
units of kg and g.



Example 1
13 kg 460 g – 10 kg 130 g

S1: Subtract the grams

13 460
- 10 130

330

S2: Subtract the kilograms

13 460
- 10 130
330
3

Therefore,

13 kg 460 g - 10 kg 130 g = 3 kg 330 g



Example 2
19 kg 260 g – 13 kg 855 g

S1: Subtract the grams Regroup the grams, since the subtraction of g
cannot be carried out
18 126 0
1 kg = 1000g
19 260

- 13 855 19 kg 260 g = 18 kg 1260g

0 405

S2: Subtract the kilograms

18 126 0

19 260
855
- 13 405
05

Therefore,

19 kg 260 g - 13 kg 855 g = 3 kg 330 g


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