KS2 Maths Quiz
Addition and Subtraction (Year 5)
You add 0.6 to 6.4 to make 7.

Addition and Subtraction (Year 5)

In Year 5, the third year in KS2, children will be exposed to even more difficult addition and subtraction problems in Maths, such as decimals. They should by now be familiar with the best methods to use to work out the answers to problems requiring them to use the plus or minus symbols.

Addition problems use the plus sign + (for adding) and subtraction problems use the minus sign - (for taking away) when they are written down. The plus sign denotes that one or more numbers should be added to others to get a larger amount, for example 5 + 5 = 10. The minus sign means that one or more numbers should be taken away, for example 8 - 4 = 4. There are several techniques that we can use to simplify maths problems and make them easier, such as counting in steps, rounding numbers up or down, or using number bonds.

Try this quiz to see how much you remember about addition and subtraction in this Year 5 quiz..

  1. Which of these pairs would not total 700?
    673 + 37 = 710
  2. What is the best method of subtracting 79?
    e.g. 456 - 79 so 456 - 80 = 376 + 1 = 377
  3. Which of these pairs does not total 100?
    57 + 53 = 110
  4. Which of these pairs does not total 1?
    1 + 8 = 9
    so 0.1 + 0.8 = 0.9
  5. Which number sentence is incorrect?
    The correct number sentence would be 875 - 819 = 56
  6. How would you calculate 3,004 - 2,898?
    e.g. 2,898 + 2 = 2,900 + 100 = 3,000 + 4 = 3,004 so 3 steps gives the answer 106
  7. Which strategy would be best to calculate 347 + 97?
    347 + 100 = 447
    447 - 3 = 444
    so 347 + 97 = 444
  8. Which is the best method of calculating the missing number in this problem: ___ - 23 = 176?
    176 + 23 = 199
    so 199 - 23 = 176
  9. Which is the best method of calculating 1.5 + 1.6?
    1.5 x 2 = 3.0
    3.0 + 0.1 = 3.1
    so 1.5 + 1.6 = 3.1
  10. What would you add to 6.4 to make 7?
    The best way to work this out is to take 6.4 from 7, which would give you the answer 0.6

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