Week 2 Term 4

Double Trouble

WALT: understanding how

use doubles as a multiplication strategy

DMic

You may have heard someone say, " double trouble" or " double dare." Can you tell me your thoughts on these two sayings?

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If you double something, that is like multiplying by two. For example, 3 x 2 is the same as 3 doubled (or 6). If you know how to double a number, you can easily multiply by four.

William has 6 apples and Israel has 8 apples.William is not happy he says “It’s not fair, Israel has more than me!”

Then find how much is left over __2____.

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How many do they have all together?

7 + 7 = 14

First give the boys an equal amount. What will this look like?

William has 6 gave him 7

Israel has 8 we took 1 away from Israel and gave it to William.

Week 1 Term 4

Double Trouble

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WALT: use doubles as a multiplication strategy

Do your working out on this slide.

DMic

Week 1 Term 4

Double Trouble

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WALT: use doubles as a multiplication strategy

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DMic

On a table are 54 cupcakes. There are 21 students and each student has two cupcakes. How many more cupcakes are left?

Week 1 Term 4

Double Trouble

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WALT: use doubles as a multiplication strategy

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DMic

Kasaline has 28 friends and Mele has 4 friends how can you use your doubles to solve this problem to make this fare.

Week 1 Term 4

Double Trouble

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WALT: use doubles as an addition or multiplication strategy.

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DMic

There are 24 apples in Room 11’s bucket and 62 apples in Room 25’s bucket.