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Know Your Numbers: Adding Ten (1)

In this worksheet, students add or subtract ten to work out what number goes in to or comes out of the Add Ten Machine.

'Know Your Numbers: Adding Ten (1)' worksheet

Key stage:  

Curriculum topic:  

Curriculum subtopic:  

Difficulty level:  

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Worksheet Overview

QUESTION 1 of 10

This machine adds 10 to every number that goes in.

 

Here, 32 goes in.

The machine adds 10.

So 42 comes out: 32 + 10 = 42

You can subtract, too: 42 - 10 = 32

10 goes into the machine. What number comes out?

 

6 goes into the machine. What number comes out?

 

8 goes into the machine. What number comes out?

 

20 goes into the machine. What number comes out? 

 

40 goes into the machine. What number comes out? 

 

12 comes out of the machine. What number went in?

 

15 comes out of the machine. What number went in? 

 

21 comes out of the machine. What number went in?

 

40 comes out of this machine. What number went in?

 

45 comes out of the machine. What number went in? 

 

  • Question 1

10 goes into the machine. What number comes out?

 

CORRECT ANSWER
20
EDDIE SAYS
10 + 10 = 20
  • Question 2

6 goes into the machine. What number comes out?

 

CORRECT ANSWER
16
EDDIE SAYS
6 + 10 = 16
  • Question 3

8 goes into the machine. What number comes out?

 

CORRECT ANSWER
18
EDDIE SAYS
8 + 10 = 18
  • Question 4

20 goes into the machine. What number comes out? 

 

CORRECT ANSWER
30
EDDIE SAYS
20 + 10 = 30
  • Question 5

40 goes into the machine. What number comes out? 

 

CORRECT ANSWER
50
EDDIE SAYS
40 + 10 = 50
  • Question 6

12 comes out of the machine. What number went in?

 

CORRECT ANSWER
2
EDDIE SAYS
2 + 10 = 12

or

12 − 10 = 2
  • Question 7

15 comes out of the machine. What number went in? 

 

CORRECT ANSWER
5
EDDIE SAYS
5 + 10 = 15

or

15 − 10 = 5
  • Question 8

21 comes out of the machine. What number went in?

 

CORRECT ANSWER
11
EDDIE SAYS
11 + 10 = 21

or

21 − 10 = 11
  • Question 9

40 comes out of this machine. What number went in?

 

CORRECT ANSWER
30
EDDIE SAYS
30 + 10 = 40

or

40 − 10 = 30
  • Question 10

45 comes out of the machine. What number went in? 

 

CORRECT ANSWER
35
EDDIE SAYS
35 + 10 = 45
---- OR ----

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