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In this worksheet, students must understand that addition can be done in any order. Key stage:  KS 1

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Understand Order for Addition/Subtraction

Difficulty level:   ### QUESTION 1 of 10

Notice that:

6 + 5 = 11    and    5 + 6 = 11

7 + 2 = 9    and    2 + 7 = 9

8 + 13 = 21    and    13 + 8 = 21

28 + 59 = 87    and    59 + 28 = 87

Adding can be done in any order.

You always get the same answer.

6 + 7
1 + 8
3 + 4
7 + 6
8 + 1
4 + 8
8 + 4
4 + 3

## Column B

3 + 7
1 + 8
3 + 8
8 + 3
8 + 1
6 + 8
8 + 6
7 + 3

15 + 45 is the same as...

54 + 14

55 + 45

45 + 15

12 + 37 is the same as...

73 + 12

37 + 12

21 + 73

63 + 28 = 91

What is  28 + 63?

16 + 7
34 + 8
23 + 4
4 + 23
28 + 1
1 + 28
8 + 34
7 + 16

## Column B

23 + 37
51 + 48
13 + 48
46 + 38
48 + 51
37 + 23
38 + 46
48 + 13

26 + 45 is the same as...

45 + 26

62 + 45

45 + 62

22 + 69 is the same as...

96 + 22

69 + 22

22 + 96

37 + 29 = 66

What is  29 + 37?

• Question 1

## Column B

6 + 7
7 + 6
3 + 4
4 + 3
8 + 1
1 + 8
8 + 4
4 + 8
EDDIE SAYS
Adding can be done in any order.
• Question 2

## Column B

3 + 7
7 + 3
3 + 8
8 + 3
8 + 1
1 + 8
8 + 6
6 + 8
EDDIE SAYS
Adding can be done in any order.
• Question 3

15 + 45 is the same as...

45 + 15
EDDIE SAYS
15 + 45 = 45 + 15
• Question 4

12 + 37 is the same as...

37 + 12
EDDIE SAYS
12 + 37 = 37 + 12
• Question 5

63 + 28 = 91

What is  28 + 63?

91
EDDIE SAYS
It is the same.
• Question 6

## Column B

16 + 7
7 + 16
23 + 4
4 + 23
28 + 1
1 + 28
8 + 34
34 + 8
EDDIE SAYS
Adding can be done in any order.
• Question 7

## Column B

23 + 37
37 + 23
13 + 48
48 + 13
48 + 51
51 + 48
38 + 46
46 + 38
EDDIE SAYS
Adding can be done in any order.
• Question 8

26 + 45 is the same as...

45 + 26
EDDIE SAYS
26 + 45 = 45 + 26
• Question 9

22 + 69 is the same as...

69 + 22
EDDIE SAYS
22 + 69 = 69 + 22
• Question 10

37 + 29 = 66

What is  29 + 37?

66
EDDIE SAYS
It is the same.
---- OR ----

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