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In this worksheet, students work out a subtraction by counting using a number line.

Key stage:  KS 2

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Solve Add/Subtract Problems to 1000

Difficulty level:

### QUESTION 1 of 10

In this worksheet we have to work out a subtraction by counting on using a number line.

Example

Work out 73 - 38 =  __

We use the number line to count up from the smaller number to the larger number.

First step: go to the next ten, i.e. 40 here

Second step: count up in tens to the ten below your given number, i.e. 70 here

Third step: count up to the given number, i.e. 73 here

Answer is 2 + 30 + 3 = 35

Count up to 51 to work out:

51 - 15 = __

15                                      51

Just write the number in the answer box below.

Count up to 32 to work out:

32 - 15 = __

15                                      32

Just write the number in the answer box below.

Count up to 28 to work out:

28 - 16 = __

16                                      28

Just write the number in the answer box below.

Count up to 47 to work out:

47 - 26 = __

26                                      47

Just write the number in the answer box below.

Count up to 51 to work out:

51 - 23 = __

23                                      51

Just write the number in the answer box below.

Count up to 63 to work out:

63 - 54 = __

54                                      63

Just write the number in the answer box below.

Count up to 71 to work out:

71 - 44 = __

44                                      71

Just write the number in the answer box below.

Count up to 71 to work out:

71 - 23 = __

23                                      71

Just write the number in the answer box below.

Count up to 67 to work out:

67 - 29 = __

29                                      67

Just write the number in the answer box below.

Count up to 97 to work out:

97 - 79 = __

79                                      97

Just write the number in the answer box below.

• Question 1

Count up to 51 to work out:

51 - 15 = __

15                                      51

Just write the number in the answer box below.

36
EDDIE SAYS
Go to 20 first, then 50, and finally 51
• Question 2

Count up to 32 to work out:

32 - 15 = __

15                                      32

Just write the number in the answer box below.

17
• Question 3

Count up to 28 to work out:

28 - 16 = __

16                                      28

Just write the number in the answer box below.

12
• Question 4

Count up to 47 to work out:

47 - 26 = __

26                                      47

Just write the number in the answer box below.

21
• Question 5

Count up to 51 to work out:

51 - 23 = __

23                                      51

Just write the number in the answer box below.

28
• Question 6

Count up to 63 to work out:

63 - 54 = __

54                                      63

Just write the number in the answer box below.

9
• Question 7

Count up to 71 to work out:

71 - 44 = __

44                                      71

Just write the number in the answer box below.

27
• Question 8

Count up to 71 to work out:

71 - 23 = __

23                                      71

Just write the number in the answer box below.

48
• Question 9

Count up to 67 to work out:

67 - 29 = __

29                                      67

Just write the number in the answer box below.

38
• Question 10

Count up to 97 to work out:

97 - 79 = __

79                                      97

Just write the number in the answer box below.

18
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