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Know Your Numbers: Adding 10 on the Abacus

In this worksheet, students add 10 to the number shown on the tens and units abacus.

'Know Your Numbers: Adding 10 on the Abacus' worksheet

Key stage:  KS 1

Curriculum topic:  Number: Addition and Subtraction

Curriculum subtopic:  Add and Subtract to 20

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

In this worksheet, you must add ten to the number shown on the abacus.

 

This number shows 2 tens and 6 units.  

This is 20 + 6

The number shown is 26.

 

Now we add a 10.

 

One more ten makes 3 tens and 6 units so the answer is 36

Add 10 to the number shown on this abacus.

Type your answer.

 

 

Add 10 to the number shown on this abacus.

Type your answer.

 

 

Add 10 to the number shown on this abacus.

Type your answer.

 

 

Add 10 to the number shown on this abacus.

Type your answer.

 

 

Add 10 to the number shown on this abacus.

Type your answer.

 

 

Add 10 to the number shown on this abacus.

Type your answer.

 

 

Add 10 to the number shown on this abacus.

Type your answer.

 

 

Add 10 to the number shown on this abacus.

Type your answer.

 

 

Add 10 to the number shown on this abacus.

Type your answer.

 

 

Add 10 to the number shown on this abacus.

Type your answer.

 

 

  • Question 1

Add 10 to the number shown on this abacus.

Type your answer.

 

 

CORRECT ANSWER
53
EDDIE SAYS
4 tens + 1 ten = 5 tens
5 tens = 50
3 units = 3
50 + 3 = 53
  • Question 2

Add 10 to the number shown on this abacus.

Type your answer.

 

 

CORRECT ANSWER
31
EDDIE SAYS
2 tens + 1 ten = 3 tens
3 tens = 30
1 unit = 1
30 + 1 = 31
  • Question 3

Add 10 to the number shown on this abacus.

Type your answer.

 

 

CORRECT ANSWER
30
EDDIE SAYS
2 tens + 1 ten = 3 tens
3 tens = 30
So the answer is 30.
(There are no units.)
  • Question 4

Add 10 to the number shown on this abacus.

Type your answer.

 

 

CORRECT ANSWER
14
EDDIE SAYS
0 tens + 1 ten = 1 ten
1 ten = 10
4 units = 4
10 + 4 = 14
  • Question 5

Add 10 to the number shown on this abacus.

Type your answer.

 

 

CORRECT ANSWER
45
EDDIE SAYS
3 tens + 1 ten = 4 tens
4 tens = 40
5 units = 5
40 + 5 = 45
  • Question 6

Add 10 to the number shown on this abacus.

Type your answer.

 

 

CORRECT ANSWER
36
EDDIE SAYS
2 tens + 1 ten = 3 tens
3 tens = 30
6 units = 6
30 + 6 = 36
  • Question 7

Add 10 to the number shown on this abacus.

Type your answer.

 

 

CORRECT ANSWER
93
EDDIE SAYS
8 tens + 1 ten = 9 tens
9 tens = 90
3 units = 3
90 + 3 = 93
  • Question 8

Add 10 to the number shown on this abacus.

Type your answer.

 

 

CORRECT ANSWER
48
EDDIE SAYS
3 tens + 1 ten = 4 tens
4 tens = 40
8 units = 8
40 + 8 = 48
  • Question 9

Add 10 to the number shown on this abacus.

Type your answer.

 

 

CORRECT ANSWER
33
EDDIE SAYS
2 tens + 1 ten = 3 tens
3 tens = 30
3 units = 3
30 + 3 = 33
  • Question 10

Add 10 to the number shown on this abacus.

Type your answer.

 

 

CORRECT ANSWER
85
EDDIE SAYS
7 tens + 1 ten = 8 tens
8 tens = 80
5 units = 5
80 + 5 = 85
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