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bersYear 5-6 – Problem

solving

1

Find the number: - between 50 and 100- its digits have a total of 11 and a

difference of 5

Find the number: - between 30 and 50- a multiple of 7- an even number

Find a pair of numbers with: - a total of 20- a difference of 8

Find a pair of numbers with: - a product of 24- a sum of 11

I think of a number. I multiply by 5. I subtract 3. I get 37. What number did I think of?

I think of a number. I halve it. I add 9. I get 17. What number did I think of?

Find the number: - a prime number- the sum of its two digits is 5

Find the number: - a square number- the product of its digits is 24

Find the number: - a two-digit prime number- a factor of 148

Find the number: - a multiple of 11- a three-digit number- the sum of its digits is 10

Find two numbers with: - A total of 10- A difference of 4

Find two numbers with: - A total of 300- A difference of 18

Find two numbers with: - A total of 1000- A difference of 188

Find two numbers with: - A total of 840- A difference of 96

Find the number: - a 2-digit number- a multiple of 8- the product of its digits is 30

Find the number: - between 30 and 50- a multiple of 7- the sum of its digits is 6

Find the number: - 2-digit number- multiple of 7- the sum of its digits is 9

(__ + 7) x 6 = 60

(__ x 9) + 8 = 62 (__ ÷ 4) - 3 = 4

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bersYear 5-6 – Problem

solving

2

For each set of digit cards, make two 2-digit numbers that give the largest possible product.

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bersYear 5-6 – Problem

solving

3

In a multiplication pyramid, the value of a brick is the product of the two bricks below it.

Find 3 consecutive numbers with a total of 21. Find 3 consecutive numbers with a total of 48.

Find 3 consecutive numbers with a total of 291. Find 5 consecutive numbers with a total of 25.

Find 5 consecutive numbers with a total of 85. Find 5 consecutive numbers with a total of 4950.