Search Results For “doubling and halving to 20”

Doubling, halving and all sorts of tricky multiplication.

Doubling and halving larger numbers.

Progressively harder doubling and halving; from teens, to 2-digit multiples of 5 to 3-digit multiples of 10.

Ten questions all about doubling numbers.

Doubling is coming up again. This time it's all multiples of 5. (Just remember that double 5 is 10.)

A set of mental arithmetic questions aimed at multiplying numbers by 4 by doubling twice.

Find the total number by doubling.

Multiply by 20 by doubling first.

Multiply by 20 by doubling first.

A first look at doubling.

Doubling small amounts of money (Euros).

Year 1 maths worksheets on counting in twos and fives, counting back in twos, solving problems involving halving, and adding and subtracting 9.