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

In this worksheet, students add tens and ones together.

Key stage:  KS 1

Curriculum topic:   Number: Number and Place Value

Curriculum subtopic:   Recognise Tens and Ones

Difficulty level:

### 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

• 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

10
EDDIE SAYS
10p + 3p (+1p +1p +1p) = 13p
• 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

10
EDDIE SAYS
10p + 9p (+1p +1p +1p +1p +1p +1p +1p +1p +1p) = 19p
• 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

10
EDDIE SAYS
10p + 7p (+1p +1p +1p +1p +1p +1p +1p) = 17p
• 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 + ?

1
EDDIE SAYS
10p + 1p (+1p) = 11p
• 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 + ?

10
EDDIE SAYS
10p + 8p (+1p +1p +1p +1p +1p +1p +1p +1p) = 18p
• 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 + ?

6
EDDIE SAYS
10p + 6p (+1p +1p +1p +1p +1p +1p) = 16p
• 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

10
EDDIE SAYS
10p + 2p (+1p +1p) = 12p
• 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 + ?

5
EDDIE SAYS
10p + 5p (+1p +1p +1p +1p +1p) = 15p
• 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

10
EDDIE SAYS
10p + 4p (+1p +1p +1p +1p) = 14p
• 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

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

Sign up for a £1 trial so you can track and measure your child's progress on this activity.

### What is EdPlace?

We're your National Curriculum aligned online education content provider helping each child succeed in English, maths and science from year 1 to GCSE. With an EdPlace account you’ll be able to track and measure progress, helping each child achieve their best. We build confidence and attainment by personalising each child’s learning at a level that suits them.

Get started