The smart way to improve grades

Comprehensive & curriculum aligned

Affordable pricing from £10/month

  1. Maths
  2. Year 2
  3. Addition
BACK TO WORKSHEETS

Know Your Numbers: Tens and Ones (20-39)

In this worksheet, students use tens and ones to solve money problems.

'Know Your Numbers: Tens and Ones (20-39)' worksheet

Key stage:  KS 1

Curriculum topic:  Number: Number and Place Value

Curriculum subtopic:  Recognise Tens and Ones

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

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

 

Example:

21 = 20 + 1

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


33 = 30 + ?

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



37 = 30 +  ?

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



27 = 20 + ?

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



28 = 20 + ?

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



22 = 20 +  ?

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


29 = 20 + ?

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


36 = 30 + ?

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


21 = 20 +  ?

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


39 = 30 + ? 

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


25 = 20 + ? 
  • ANSWERS
  • Question 1

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


33 = 30 + ?
CORRECT ANSWER
3
EDDIE SAYS
30p (10p + 10p + 10p) + 3p (+1p +1p +1p) = 33p
  • ANSWERS
  • Question 2

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



37 = 30 +  ?
CORRECT ANSWER
7
EDDIE SAYS
30p (10p + 10p + 10p) + 7p (+1p +1p +1p +1p +1p +1p +1p) = 37p
  • ANSWERS
  • Question 3

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



27 = 20 + ?
CORRECT ANSWER
7
EDDIE SAYS
20p (10p + 10p) + 7p (+1p +1p +1p +1p +1p +1p +1p) = 27p
  • ANSWERS
  • Question 4

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



28 = 20 + ?
CORRECT ANSWER
8
EDDIE SAYS
20p (10p + 10p) + 8p (+1p +1p +1p +1p +1p +1p +1p +1p) = 28p
  • ANSWERS
  • Question 5

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



22 = 20 +  ?
CORRECT ANSWER
2
EDDIE SAYS
20p (10p + 10p) + 2p (+1p +1p) = 22p
  • ANSWERS
  • Question 6

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


29 = 20 + ?
CORRECT ANSWER
9
EDDIE SAYS
20p (10p + 10p) + 9p (+1p +1p +1p +1p +1p +1p +1p +1p +1p) = 29p
  • ANSWERS
  • Question 7

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


36 = 30 + ?
CORRECT ANSWER
6
EDDIE SAYS
30p (10p + 10p + 10p) + 6p (+1p +1p +1p +1p +1p +1p) = 36p
  • ANSWERS
  • Question 8

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


21 = 20 +  ?
CORRECT ANSWER
1
EDDIE SAYS
20p (10p + 10p) + 1p = 21p
  • ANSWERS
  • Question 9

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


39 = 30 + ? 
CORRECT ANSWER
9
EDDIE SAYS
30p (10p + 10p + 10p) + 9p (+1p +1p +1p +1p +1p +1p +1p +1p +1p) = 39p
  • ANSWERS
  • Question 10

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


25 = 20 + ? 
CORRECT ANSWER
5
EDDIE SAYS
20p (10p + 10p) + 5p (+1p +1p +1p +1p +1p) = 25p
---- 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.

Start your £1 trial

Similar activities you may like

Start your trial for £1