Let's dive into the world of adding and subtracting - it's usually a breeze, right? But hold on, decimals can make it a bit tricky! In this KS3 Maths quiz, we're going to make adding and subtracting decimals a walk in the park for you. It's much easier than you think!
Quizzes: Your Ticket to Fun Learning. Dive In[readmore]
Decimal numbers have this cool point. On the left are ones, and on the right, you've got tenths, hundredths, and thousandths. They're like the superheroes of describing things smaller than one, replacing fractions. Take 1⁄8 - it's also 0.125, showing 1 tenth, 2 hundredths, and 5 thousandths.
Decimals make handling fractions a breeze - just like regular adding and subtracting. Remember to line up that decimal point and throw in some zeros if needed.
Ready for some fun? Play this quiz to get comfy with adding and subtracting decimal numbers. With plenty of practice, you'll be a pro in no time!
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You can find more about this topic by visiting BBC Bitesize - How to add and subtract decimals
This is similar to 5 + 18 = 23. Just remember to replace the decimal point!
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Remember to use zeros - 0.50
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Remember to put a 0 after 75.3 if you're doing this calculation on paper
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£4.25 + £4.25
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76p = £0.76. 0.76 + 0.76 = £1.52
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44.7 - 37.5 = 7.2. To check you have the correct answer, you can also write 37.5 + 7.2 = 44.7
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All the numbers have 2 numbers after the decimal point so there's no need to add any 0s this time
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Line up the decimal points and use zeros!
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4 + 6 + 9 = 19 and 0.8 + 0.6 + 0.4 = 1.8. 1.8 + 19 = 20.8
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If the numbers are different lengths, remember to line up the decimal points
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