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  1. Maths
  2. Year 2
  3. Addition
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Know Your Numbers: Tens and Ones (11-19)

In this worksheet, students add tens and ones together.

'Know Your Numbers: Tens and Ones (11-19)' worksheet

Key stage:  KS 1

Curriculum topic:   Number: Number and Place Value

Curriculum subtopic:   Recognise Tens and Ones

Difficulty level:  

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Worksheet Overview

QUESTION 1 of 10

Look at the coins, there are 10p's and 1p's. Can you add them together to work out the total amount? Then work out what the missing number is in the calculation.

 

Example:

Can you add the coins together to work out the missing number in the calculation below?

 

11 = 10 + 1

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)


 

 

13 = ? + 3

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

19 = ? + 9

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

17 = ? + 7

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

 

11 = 10 + ?

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

18 = 8 + ?

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

16 = 10 + ?

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)


 

 

12 = ? + 2

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

 

15 = 10 + ?

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

14 = ? + 4

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

19 = ? + 9

  • ANSWERS
  • Question 1

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)


 

 

13 = ? + 3

CORRECT ANSWER
10
EDDIE SAYS
10p + 3p (+1p +1p +1p) = 13p
  • ANSWERS
  • Question 2

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

19 = ? + 9

CORRECT ANSWER
10
EDDIE SAYS
10p + 9p (+1p +1p +1p +1p +1p +1p +1p +1p +1p) = 19p
  • ANSWERS
  • Question 3

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

17 = ? + 7

CORRECT ANSWER
10
EDDIE SAYS
10p + 7p (+1p +1p +1p +1p +1p +1p +1p) = 17p
  • ANSWERS
  • Question 4

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

 

11 = 10 + ?

CORRECT ANSWER
1
EDDIE SAYS
10p + 1p (+1p) = 11p
  • ANSWERS
  • Question 5

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

18 = 8 + ?

CORRECT ANSWER
10
EDDIE SAYS
10p + 8p (+1p +1p +1p +1p +1p +1p +1p +1p) = 18p
  • ANSWERS
  • Question 6

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

16 = 10 + ?

CORRECT ANSWER
6
EDDIE SAYS
10p + 6p (+1p +1p +1p +1p +1p +1p) = 16p
  • ANSWERS
  • Question 7

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)


 

 

12 = ? + 2

CORRECT ANSWER
10
EDDIE SAYS
10p + 2p (+1p +1p) = 12p
  • ANSWERS
  • Question 8

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

 

15 = 10 + ?

CORRECT ANSWER
5
EDDIE SAYS
10p + 5p (+1p +1p +1p +1p +1p) = 15p
  • ANSWERS
  • Question 9

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

14 = ? + 4

CORRECT ANSWER
10
EDDIE SAYS
10p + 4p (+1p +1p +1p +1p) = 14p
  • ANSWERS
  • Question 10

Can you add the coins together to work out the missing number in the calculation below? (Just write the number in the answer box)



 

 

19 = ? + 9

CORRECT ANSWER
10
EDDIE SAYS
10p + 9p (+1p +1p +1p +1p +1p +1p +1p +1p +1p) = 19p
---- OR ----

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