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  1. Maths
  2. Year 1
  3. Addition and Subtraction
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Complete the Subtraction: 0-20

In this worksheet, students use subtraction to solve missing number problems.

'Complete the Subtraction: 0-20' 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

Subtraction is taking something away.

You can use subtraction to find missing numbers. You do it like this.

 

Example

Count the top row of chicks. There are 10.

Take 2 chicks away.

What's the difference? (How many are left?)

 

number line to 10

chickchickchickchickchickchickchickchickchickchick

-

chickchick

Answer: 8

10 - 2 = 8

Count these objects. What's the difference?

Remember:

  • count the top row
  • count the bottom row
  • subtract the bottom row from the top row.

 

number line to 20

 

biscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuit

-

biscuitbiscuitbiscuitbiscuitbiscuitbiscuit

Count these objects. What's the difference?

number line to 20

 

biscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuit

-

biscuitbiscuitbiscuit

Count the objects. What's the difference?

number line to 20

 

cup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with straw

-

cup with strawcup with strawcup with straw

Count the objects. What's the difference?

number line to 20

 

chocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate bar

-

chocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate bar

 

 

Count the objects. What's the difference?

number line to 20

 

cupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candle

-

cupcake with one candle

Count the objects. What's the difference?

number line to 20

 

chocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate bar

-

chocolate barchocolate barchocolate barchocolate bar

Count the objects. What's the difference?

number line to 20

 

butterflybutterflybutterflybutterflybutterflybutterflybutterflybutterflybutterflybutterflybutterflybutterflybutterflybutterfly

-

butterfly

Count the objects. What's the difference?

number line to 30

 

cup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with straw

-

cup with strawcup with strawcup with strawcup with strawcup with straw

Count the objects. What's the difference?

number line to 20

 

cupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candle

-

cupcake with candlecupcake with candle

Count the objects. What's the difference?

number line to 20

 

chickchickchickchickchickchickchickchickchick

-

chickchickchickchickchickchick

  • ANSWERS
  • Question 1

Count these objects. What's the difference?

Remember:

  • count the top row
  • count the bottom row
  • subtract the bottom row from the top row.

 

number line to 20

 

biscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuit

-

biscuitbiscuitbiscuitbiscuitbiscuitbiscuit

CORRECT ANSWER
2
EDDIE SAYS
Top row = 8 objects
Bottom row = 6 objects
8 − 6 = 2
  • ANSWERS
  • Question 2

Count these objects. What's the difference?

number line to 20

 

biscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuitbiscuit

-

biscuitbiscuitbiscuit

CORRECT ANSWER
13
EDDIE SAYS
Top row = 16 objects
Bottom row = 3 objects
16 − 3 = 13
  • ANSWERS
  • Question 3

Count the objects. What's the difference?

number line to 20

 

cup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with straw

-

cup with strawcup with strawcup with straw

CORRECT ANSWER
16
EDDIE SAYS
Top row = 19 objects
Bottom row = 3 objects
19 − 3 = 16
  • ANSWERS
  • Question 4

Count the objects. What's the difference?

number line to 20

 

chocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate bar

-

chocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate bar

 

 

CORRECT ANSWER
3
EDDIE SAYS
Top row = 10 objects
Bottom row = 7 objects
10 − 7 = 3
  • ANSWERS
  • Question 5

Count the objects. What's the difference?

number line to 20

 

cupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candlecupcake with one candle

-

cupcake with one candle

CORRECT ANSWER
15
EDDIE SAYS
Top row = 16 objects
Bottom row = 1 object
16 − 1 = 15
  • ANSWERS
  • Question 6

Count the objects. What's the difference?

number line to 20

 

chocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate barchocolate bar

-

chocolate barchocolate barchocolate barchocolate bar

CORRECT ANSWER
6
EDDIE SAYS
Top row = 10 objects
Bottom row = 4 objects
10 − 4 = 6
  • ANSWERS
  • Question 7

Count the objects. What's the difference?

number line to 20

 

butterflybutterflybutterflybutterflybutterflybutterflybutterflybutterflybutterflybutterflybutterflybutterflybutterflybutterfly

-

butterfly

CORRECT ANSWER
13
EDDIE SAYS
Top row = 14 objects
Bottom row = 1 object
14 − 1 = 13
  • ANSWERS
  • Question 8

Count the objects. What's the difference?

number line to 30

 

cup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with strawcup with straw

-

cup with strawcup with strawcup with strawcup with strawcup with straw

CORRECT ANSWER
20
EDDIE SAYS
Top row = 25 objects
Bottom row = 5 objects
25 − 5 = 20
  • ANSWERS
  • Question 9

Count the objects. What's the difference?

number line to 20

 

cupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candlecupcake with candle

-

cupcake with candlecupcake with candle

CORRECT ANSWER
13
EDDIE SAYS
Top row = 15 objects
Bottom row = 2 objects
15 − 2 = 13
  • ANSWERS
  • Question 10

Count the objects. What's the difference?

number line to 20

 

chickchickchickchickchickchickchickchickchick

-

chickchickchickchickchickchick

CORRECT ANSWER
3
EDDIE SAYS
Top row = 9 objects
Bottom row = 6 objects
9 − 6 = 3
---- OR ----

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