Maths Quiz - Level 3-4 Numbers - Addition and Subtraction (Answers)
Hey there! Let's talk about two super cool things: addition and subtraction – the superheroes of maths! You learned these tricks ages ago, but in KS3 Maths, we're taking it up a notch. Now, we're dealing with bigger numbers and even hanging out with decimals.
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When you're adding or subtracting with your trusty pencil and paper, watch out for decimals! Line up those place values, just like stacking blocks. If you're mixing whole numbers and decimals, throw in a decimal point and as many zeros as needed to keep things in line.
Feeling like a maths superhero already? Awesome! Take a swing at this quiz to practice your addition and subtraction skills. It might seem easy-peasy, but remember to read each question carefully. We don't want any sneaky mistakes, do we?
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You can find more about this topic by visiting BBC Bitesize - Positive and negative numbers
3 + 4 = 7 so both columns in the sum are the same
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You can work this out by subtracting 70 from 120
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60p + 40p = 100p which is equal to £1.00
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To check you've got it right, add 14 to 62
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40 - 25 = 15
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570 is the difference between 630 and 1,200
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67 appears twice: once as an addition and once as a subtraction. So they cancel each other out
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22 - 4 = 18 and 18 + 83 = 101
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345 + 345 = 690
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41 - 15 = 26
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