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# Solving Problems and Puzzles PowerPoint PPT Presentation

Solving Problems and Puzzles. 8/5/05. To recall multiplication facts and derive division facts from the 8 times table. 8/5/05. To recall multiplication facts and derive division facts from the 8 times table.

Solving Problems and Puzzles

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8/5/05

8/5/05

## To recall multiplication facts and derive division facts from the 8 times table

1 2 3 4 5 6 7 8 9 10

## To recall multiplication facts and derive division facts from the 8 times table

1 2 3 4 5 6 7 8 9 10

8 16 24 32 40 48 56 64 72 80

## To recall multiplication facts and derive division facts from the 8 times table

1 2 3 4 5 6 7 8 9 10

8 16 24 32 40 48 56 64 72 80

What is this multiplication fact?

## To recall multiplication facts and derive division facts from the 8 times table

1 2 3 4 5 6 7 8 9 10

8 16 24 32 40 48 56 64 72 80

4 x 8 = 32

What is this multiplication fact?

## To recall multiplication facts and derive division facts from the 8 times table

1 2 3 4 5 6 7 8 9 10

8 16 24 32 40 48 56 64 72 80

What is this division fact?

## To recall multiplication facts and derive division facts from the 8 times table

1 2 3 4 5 6 7 8 9 10

8 16 24 32 40 48 56 64 72 80

32 - 8 = 4

What is this division fact?

…………….or

## To recall multiplication facts and derive division facts from the 8 times table

1 2 3 4 5 6 7 8 9 10

8 16 24 32 40 48 56 64 72 80

32 - 4 = 8

What is this division fact?

## To recall multiplication facts and derive division facts from the 8 times table

1 2 3 4 5 6 7 8 9 10

Hands up!!

What division facts can you remember?

8/5/05

## Large batteries cost £1.60Medium Batteries cost £1.10

What would ten large batteries cost?

## Large batteries cost £1.60Medium Batteries cost £1.10

What would six medium batteries cost?

## Large batteries cost £1.60Medium Batteries cost £1.10

How many medium batteries could I buy for £10?

## Large batteries cost £1.60Medium Batteries cost £1.10

How many large batteries could I buy for £10?

## A farmer bought batteries with a £20 note

How many of each size battery could the farmer buy?

## What if the farmer spent exactly £20 ?

How many batteries did the farmer buy?

## Small batteries cost 70p

How many small and medium batteries could we buy for exactly £5?

How many small and large batteries could we buy for exactly £9?

How many small, medium and large batteries could we buy for exactly £8?