Scale known multiplication facts by 100

Maths

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

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

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 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

What is the missing factor in the multiplication shown? 4 × {{ }} = 400

4 has been scaled up by 100 to become 400

4 has been scaled down by 100 to become 400

4 has been scaled down by 10 to become 400

Which of the following statements describes the image below?

Tick the multiplication equations being shown by the array.

Sofia is carrying boxes of sauce sachets into the school kitchen. Each box contains 600 sachets. She carries in 8 boxes. How many sachets is that in total? {{ }} sachets

Which of the numbers in the following equation are factors? 40 × 7 = 280

Match the times table expression with the correct product.

Which of these times table facts is being shown by the array?

Match the expressions showing commutativity.

Tick the expressions that this array is showing.

True or false? To multiply a whole number by 100, you add two zeros.

Scale known multiplication facts by 100

Lesson outcome