Search Results For “doubling”

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

It is important to learn the 4x table, but meanwhile it can be worked out by doubling.

When we are multiplying by a number ending in 5 we can double the number and halve the other number before multiplying (by a multiple of ten, making it easy).

Tips and hints on how to use mental methods to double and halve larger numbers, including 3-digit numbers.

More doubling and halving of decimal fractions and multiplying a decimal fraction by a single digit.

Mostly addition and subtraction this week, with a hint of doubling and halving.

All sorts of questions today, including multiplication, doubling, shape and more.

Doubling and halving, multiplication and division all feature in today's great challenge.

All sorts of questions, including quotients, doubling and money problems.

Doubling, halving and some tricky multiplications this week.

Doubling, halving and all sorts of tricky multiplication.

Some quite tricky addition and doubling questions today.