Understand that multiplying by 10 makes a number ten times the size

Maths

Explain the relationship between multiplying a number by 10 and multiples of 10

Use place value to explain placing a zero after the final digit when we multiply whole numbers by 10

Understand that dividing a number by 10 makes it one-tenth times the size

Use place value to explain removing the zero in the ones from a multiple of ten when we divide by 10

Explain the relationship between multiplying a number by 100 and multiples of 100

Explain the use of placeholders when multiplying whole numbers by 100

Explain the removal of placeholders when dividing whole numbers by 100

Use knowledge of the composition of 100 to multiply and divide by 100 in different ways

Explain how making a factor 10 times the size affects the product

Explain how making the dividend 10 times the size affects the quotient

Explain how making a factor 100 times the size affects the product

Explain how making the dividend 100 times the size affects the quotient

Scale known multiplication facts by 100

Scale division facts derived from multiplication facts by 100

In this unit pupils will explain the relationship between multiplying and dividing a number by 10 and 100 and multiples of 10 and 100. In the future unit pupils will describe represent and order tenths as decimal fractions. They will round decimal numbers with tenths to the nearest whole number.

In the prior unit pupils used knowledge of the distributive law to calculate products beyond known times tables facts. In this unit pupils will explain the relationship between multiplying and dividing a number by 10 and 100 and multiples of 10 and 100. 

In this unit pupils will explain the relationship between multiplying and dividing a number by 10 and multiples of 10.

Understand what happens when a number is multiplied or divided by 10 and 100

Jun has a sticky-tack worm that he measures at 2 cm long. He stretches it to be three times the size. How long will it be now? {{ }} cm

Match the quantities with the quantities that are ten times the size.

Which of the following operations should be used to find ten times the size?

Sofia has a slinky that she measures at 5 cm long. She stretches it to be ten times the size. How long will it be now? {{ }} cm

What’s the multiplication being represented on this Gattegno chart?

True or false: 10 times as many and 10 times the size are the same.

What number is being shown on the Gattegno chart?

Which of these numbers is a multiple of 10?

Andeep has ten times as many marbles as Jun. If Jun has 5 marbles, how many does Andeep have?

Understand that multiplying by 10 makes a number ten times the size

Lesson outcome