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.














Starting at 3 and counting on 22 would take longer than swapping the order of the numbers around!

Adding the 2 and 8 first gives 10, which is easily added to 30


Spotting the bond to 20 makes this calculation become much easier

Adding the smaller numbers first and then adding them to 60 is the best option


Starting at 85 and counting on 4 is perfectly acceptable

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


Adding together all the tens and then the units and combining the two totals is a useful way of solving this

Recognising that there are two pairs of bonds to 20 makes it much easier to solve this


Adding the 1 to the 34 gives 35. 35 + 35 = 70

Counting up in tens from 43 and finally adding the 2 makes this calculation easy
