Page 118 - Math Genius C2

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3. 16 gulab jamuns are to be put on 4 plates. Can you do it by drawing gulab jamuns

on these plates?

Also, write the division fact.

DIVISION BY REPEATED SUBTRACTION

Repeated subtraction can also be used for division.

Anil has 8 marbles. He wants to fill the bowls with

marbles.

He puts 2 marbles into a bowl.

8 – 2 = 6 ...(1)

Then, he puts 2 marbles into a second bowl.

6 – 2 = 4 ...(2)

Then, he puts 2 marbles into a third bowl.

4 – 2 = 2 ...(3)

Finally, he puts the remaining 2 marbles into a fourth

bowl.

2 – 2 = 0 ...(4)

Here, 2 is subtracted 4 times from 8.

Also, 8 – 2 – 2 – 2 – 2 = 0

Thus, division is actually repeated subtraction.

We can write ‘subtracting 2 repeatedly 4 times’ as 8 ÷ 2 = 4.

Teacher’s Strengthen the concept of repeated subtraction using some concrete items like pencils, erasers, beads, etc.
Tip and inviting the children in groups of different numbers.

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