A hundredth is one part in 100 equal parts.

The relationship between multiplying by 0.01 and dividing by 100

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

Lucas measures the length of a stick to be 43 cm. What is the length of the stick in metres? {{ }} m

The mass of a large box is 12 kg. The mass of a smaller box is one-hundredth times the mass. What is the mass of the smaller box? Give your answer in kg. {{ }} kg

There are {{ }} centimetres in one metre.

If 13,570 is divided by 100, which digit would be in the ones place after the division?

Lucas has 6,500 marbles. He packs them equally into 100 bags. How many marbles are in each bag? {{ }} marbles.

Sofia has 2,300 cm of ribbon. She cuts it into 100 equal pieces. What is the length of each piece? {{ }} cm

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

The relationship between multiplying by 0.01 and dividing by 100

Lesson outcome

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