Predicting the size of a product

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

Use the fact that 9 × 8 = 72, to match the expressions to their product.

If 6 × 72 = 432, what does 6 × 0.72 equal?

True or False? 13 × 0.9 will have a product that is smaller than 13

Match the expression with its missing symbol < > or =

Which of the following would make this calculation correct? 3.4 > 0.9 × ___

Which of the following will have a product greater than the original number being multiplied?

Match the number to its written representation.

Complete the equations by matching the expression with its missing part.

Which of the following would make this calculation correct?
43 > 8 × ___

This lesson will soon be taken down.

Predicting the size of a product

Lesson outcome