One-thousandth is one part in one thousand equal parts.

If something is equivalent, it has the same value. For example, £1 is equivalent to 100 p - they have the same value.

Multiplying and dividing a number by 10, 100 and 1,000

Maths

In this unit pupils will explain the effect of multiplying and dividing a number by 10, 100 and 1,000 and use their knowledge of multiplying decimal fractions by whole numbers to solve measures problems. In the future unit pupils will apply memorised unit conversions to convert between units of measure. They will solve measures problems involving different units including imperial units.

In the prior unit pupils calculated with decimal numbers using column addition and subtraction. In this unit pupils will explain the effect of multiplying and dividing a number by 10, 100 and 1,000 and use their knowledge of multiplying decimal fractions by whole numbers to solve measures problems.

Calculating with decimal fractions

One-thousandth is composed of {{ }} parts of one-hundredth.

Which equations can be formed from this statement?
One tenth has been divided into 100 equal parts. Each part is one thousandth of the whole.

When a number is multiplied by 1,000, the digits move {{ }} places to the left.

Use the Gattegno chart to complete the sentence. 0.001 is {{ }} times smaller than 0.1

Match the division expression to its equivalent multiplication expression.

Match the equation to the correct product or quotient.

Look at the images of base 10 blocks and complete the sentence. There are {{ }} tenths in one whole.

Look at the images of base 10 blocks and complete the sentence. There are {{ }} hundredths in one whole.

Look at the images of base 10 blocks and complete the sentence. There are {{ }} hundredths in one tenth.

Dividing by 10 is the same as multiplying by {{ }}

This lesson will be removed by end of Summer Term 2025.

Multiplying and dividing a number by 10, 100 and 1,000

Lesson outcome

This lesson will be removed by end of Summer Term 2025.