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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 97 to work out:

97 - 83 = __

83                                      97

Just write the number in the answer box below.

Count up to 75 to work out:

75 - 63 = __

63                                      75

Just write the number in the answer box below.

Count up to 37 to work out:

37 - 15 = __

37                                      15

Just write the number in the answer box below.

Count up to 30 to work out:

30 - 13 = __

13                                      30

Just write the number in the answer box below.

Count up to 52 to work out:

52 - 35 = __

35                                      52

Just write the number in the answer box below.

Count up to 99 to work out:

99 - 63 = __

63                                      99

Just write the number in the answer box below.

Count up to 54 to work out:

54 - 25 = __

25                                      54

Just write the number in the answer box below.

Count up to 46 to work out:

46 - 23 = __

23                                      46

Just write the number in the answer box below.

Count up to 37 to work out:

37 - 13 = __

13                                      37

Just write the number in the answer box below.

Count up to 42 to work out:

42 - 19 = __

19                                      42

Just write the number in the answer box below.

• Question 1

Count up to 97 to work out:

97 - 83 = __

83                                      97

Just write the number in the answer box below.

14
• Question 2

Count up to 75 to work out:

75 - 63 = __

63                                      75

Just write the number in the answer box below.

12
• Question 3

Count up to 37 to work out:

37 - 15 = __

37                                      15

Just write the number in the answer box below.

22
• Question 4

Count up to 30 to work out:

30 - 13 = __

13                                      30

Just write the number in the answer box below.

17
• Question 5

Count up to 52 to work out:

52 - 35 = __

35                                      52

Just write the number in the answer box below.

17
• Question 6

Count up to 99 to work out:

99 - 63 = __

63                                      99

Just write the number in the answer box below.

36
• Question 7

Count up to 54 to work out:

54 - 25 = __

25                                      54

Just write the number in the answer box below.

29
• Question 8

Count up to 46 to work out:

46 - 23 = __

23                                      46

Just write the number in the answer box below.

23
• Question 9

Count up to 37 to work out:

37 - 13 = __

13                                      37

Just write the number in the answer box below.

24
• Question 10

Count up to 42 to work out:

42 - 19 = __

19                                      42

Just write the number in the answer box below.

23
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