Know Your Numbers: Subtracting Ten (1)

In this worksheet, students work out what comes out of or goes in to a Subtract Ten Machine.

Key stage:  KS 1

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Solve Add/Subtract Problems to 20

Difficulty level:

QUESTION 1 of 10

In this worksheet, you must work out what went in or what comes out of a Subtract Ten Machine.

Here 16 - 10 = 6, so when 16 goes in, 6 comes out.

Also 6 + 10 = 16, so when 6 comes out, 16 must have gone in.

22 goes into this machine.  Which number will come out?

28 goes into this machine.  Which number will come out?

46 goes into this machine.  Which number will come out?

57 goes into this machine.  Which number will come out?

83 goes into this machine.  Which number will come out?

32 comes out of this machine.  Which number went in?

45 comes out of this machine.  Which number went in?

71 comes out of this machine.  Which number went in?

46 comes out of this machine.  Which number went in?

89 comes out of this machine.  Which number went in?

• Question 1

22 goes into this machine.  Which number will come out?

12
EDDIE SAYS
22 - 10 = 12
• Question 2

28 goes into this machine.  Which number will come out?

18
EDDIE SAYS
28 - 10 = 18
• Question 3

46 goes into this machine.  Which number will come out?

36
EDDIE SAYS
46 - 10 = 36
• Question 4

57 goes into this machine.  Which number will come out?

47
EDDIE SAYS
57 - 10 = 47
• Question 5

83 goes into this machine.  Which number will come out?

73
EDDIE SAYS
83 - 10 = 73
• Question 6

32 comes out of this machine.  Which number went in?

42
EDDIE SAYS
32 + 10 = 42
• Question 7

45 comes out of this machine.  Which number went in?

55
EDDIE SAYS
45 + 10 = 55
• Question 8

71 comes out of this machine.  Which number went in?

81
EDDIE SAYS
71 + 10 = 81
• Question 9

46 comes out of this machine.  Which number went in?

56
EDDIE SAYS
46 + 10 = 56
• Question 10

89 comes out of this machine.  Which number went in?

99
EDDIE SAYS
89 + 10 = 99
---- OR ----

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