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4 Dom

Use these four dominoes to make a square that has the same number of dots on each side.

Pair Sums

Five numbers added together in pairs produce: 0, 2, 4, 4, 6, 8, 9, 11, 13, 15 What are the five numbers?

Number Sandwiches

Can you arrange the digits 1, 1, 2, 2, 3 and 3 to make a Number Sandwich?

One to Eight

Age 11 to 14
Challenge Level

Expressing the four digit numbers as the product of their prime factors may help you narrow down the options.

The units digit of the factors will determine the units digit of the product.