AQA · Mathematics · 8300
GCSE Maths: Number: midpoint of two numbers
Number · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths textbook exercise and practice questions for Number: midpoint of two numbers (Corbettmaths Video 217), and every card links back to the exact page it came from. Practice tests are drawn from this deck’s own cards. Source material © Corbettmaths — used with attribution.
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What is the midpoint of 20 and 70?
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45
What is the midpoint of 8 and 22?
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15
What is the number halfway between 3 and 10?
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6.5
What is the midpoint of 1.9 and 2.7?
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2.3
What is the midpoint of −3 and 7?
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2
What is the midpoint of −15 and −2?
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−8.5
What is the number halfway between 1.6 and 1.7?
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1.65
If the midpoint of two numbers is 23 and one number is 9, what is the other number?
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37
If the midpoint of two numbers is 12.5 and one number is 5, what is the other number?
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20
If Alison has £1.40 and Scott has £2.90, how much should Scott give Alison so they have equal amounts?
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£0.75 (the difference from each amount to the midpoint of £2.15)
Why is the midpoint of two consecutive square numbers never a whole number?
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Because consecutive square numbers differ by an odd amount (2n+1), so their sum is odd, making the midpoint a non-integer (odd÷2).
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