*This Math quiz is called 'Calculate the Total - Adding Numbers' and it has been written by teachers to help you if you are studying the subject at elementary school. Playing educational quizzes is a fun way to learn if you are in the 1st or 2nd grade - aged 6 to 8.*

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Calculating totals means looking at the numbers in an addition calculation and thinking about a sensible way to add them together. When three one-digit numbers are to be added, for example in the calculation 5 + 7 + 5, it might make sense to add the 5 and 5 to make 10, before adding on the 7. If two two-digit numbers are to be added, such as 12 + 13, adding the 2 and 3 to make 5 and then adding the two tens to make 20 might be wise. The same sort of logic applies when adding a two-digit number and a one-digit number. Recognizing that additions can be completed in any order could help with this.

Try this quiz to see how quickly you can find the totals.

1.

What is 10 + 27 + 10?

45

37

47

54

Starting with 27 and counting up in tens is a good option to try

2.

What is the total of 2, 15 and 3?

20

19

25

15

Additions can be done in any order - putting the 15 first could be useful

3.

When adding numbers together...

you should always put the largest number first

you should always put the smallest number first

you should guess the answer

you can add them in any order

Addition calculations can be done in any order, but subtractions cannot

4.

What is 10 + 9 + 10?

11

39

19

29

Adding the 10 and 10 up first, then adding the 9 might have helped

5.

What is the sum of 27 and 43?

70

80

60

56

Using the number bond of 7 and 3 might be useful

6.

What is 3 + 9 + 4?

16

15

21

19

Adding up in any order will give the same answer

7.

What is 30 and 48 added together?

87

78

76

68

Adding the 30 and 40 first and then adding on the units is a good strategy here

8.

What is the total of 7 and 26?

34

43

23

33

Starting with the larger number and counting on might be a good plan

9.

What is 8 + 9 + 7?

26

25

23

24

Trying to make 10 and then counting on, or using a near double of 7 + 7 could have helped

10.

What is 23 + 45?

75

68

65

57

Partitioning means splitting up the tens and units, making this addition easier

The next step is:

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