KS1 Maths Quiz
Year 2 Calculation - Addition in a Different Order
4 + 2 gives the same answer as 2 + 4. Whichever way round you put the numbers you still get the answer 6.

Year 2 Calculation - Addition in a Different Order

This quiz addresses the requirements of the National Curriculum KS1 Maths and Numeracy for children aged 6 and 7 in year 2. Specifically this quiz is aimed at the section dealing with adding in a different order.

In Year 2, children are encouraged to check their addition calculations. They might do this by adding the numbers up again, but in a different order. For example, if they add up 6 + 9 + 4, they may check it by recognising that 6 + 4 makes 10, and 9 more is 19, or they may do it differently by adding 4 + 9 to make 13 then adding 6 to give 19. This is called the commutative property and means that addition calculations can be done in any order to achieve the same answer.

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  1. Question 1

    What is 2 + 30 + 8?
    Adding the 2 and 8 first gives 10, which is easily added to 30
  2. Question 2

    What is 2 + 60 + 4?
    Adding the smaller numbers first and then adding them to 60 is the best option
  3. Question 3

    What is 16 + 70 + 4?
    Spotting the bond to 20 makes this calculation become much easier
  4. Question 4

    What is 5 + 5 + 10 + 5 + 5
    Starting at 10 and counting up in 5s, or adding up all the 5s and then 10 more are both good strategies
  5. Question 5

    What is 3 + 22?
    Starting at 3 and counting on 22 would take longer than swapping the order of the numbers around!
  6. Question 6

    What is 12 + 13 + 11 + 10?
    Adding together all the tens and then the units and combining the two totals is a useful way of solving this
  7. Question 7

    What is 1 + 1 + 85 + 1 + 1?
    Starting at 85 and counting on 4 is perfectly acceptable
  8. Question 8

    What is 10 + 43 + 10 + 2
    Counting up in tens from 43 and finally adding the 2 makes this calculation easy
  9. Question 9

    What is 1 + 35 + 34?
    Adding the 1 to the 34 gives 35. 35 + 35 = 70
  10. Question 10

    What is 2 + 14 + 18 + 6?
    Recognising that there are two pairs of bonds to 20 makes it much easier to solve this

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