Video: KS2-M19 • Paper 2 • Question 11

Amina is shopping. She says “I would like to buy one-quarter of a kilogram of cheese.” Write one-quarter on the scales as a decimal. The cheese costs £1.35. Amina pays with a £2 coin. How much change should Amina get?

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Video Transcript

Amina is shopping. She says “I would like to buy one-quarter of a kilogram of cheese.” Write one-quarter on the scales as a decimal. The cheese costs one pound 35. Amina pays with a two-pound coin. How much change should Amina get?

We have to write one-quarter on the scales as a decimal. We would write a half as 0.5. We would write a quarter as 0.25. So Amina’s cheese would weigh 0.25 kilograms on the scales. Now, let’s look at the second part of the question. The cheese costs one pound 35. And Amina pays with a two-pound coin. So we have to work out how much change she should get.

We need to find the difference between one pound 35 and two pounds. If we add five to one pound 35, that will take us to the nearest 10, which is one pound 40. Then, we can add 60 pence to one pound 40 to give us two pounds. So Amina should get 65-pence change. Amina bought one-quarter of a kilogram of cheese.

We worked out that one-quarter of a kilogram would be 0.25 kilograms on the scales. We used a number line to help us. Amina paid for her cheese with a two-pound coin. Her cheese cost one pound 35. So we used a number line to find the difference between one pound 35 and two pounds.

Amina should get 65-pence change.

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