Number Bonds to 20 - Worksheets, Questions and Revision

18 original exam-style questions - 5 pages of questions with a full mark scheme - free printable PDF.

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KS1 · Number and Place Value

KS1.M17 Number Bonds to 20

STA NC-KS1-MATHS-STA · Calculators not allowed · about 30 minutes
Name: _______________________________    Date: ____ / ____ / ______
Answer ALL questions. Show all your working.
1
Write the missing number. 10 + ___ = 20

Answer: ___
(1)
2
There are 12 red apples and some green apples. There are 20 apples all together. How many green apples are there?

Answer: ___
(1)
3
Circle the two numbers that make 20 when added.

Options: 2, 7, 18, 12

Circle: ___ and ___
  • 2
  • 7
  • 18
  • 12
4
Complete the number sentence. ___ + 5 = 20

Answer: ___
(1)
5
Priya has 14 stickers. She needs 20 stickers. How many more does she need?

Answer: ___
(1)
6
Write the pair to make 20. 19 + ___ = 20

Answer: ___
(1)
7
Oliwia has 8 red balloons and some blue balloons. She has 20 balloons in total. How many blue balloons does she have?

Answer: ___
(1)
8
Complete the missing number. 20 - ___ = 7

Answer: ___
(1)
9
Write the number that goes in the box. 11 + ___ = 20

Answer: ___
(1)
10
Complete both number sentences.

a) 7 + ___ = 20

b) ___ + 16 = 20
(a)7 + ___ = 20(1)
(b)___ + 16 = 20(1)
11
Which two numbers add to make 20? Tick one box.

A 3 and 16

B 5 and 15

C 7 and 10
  • A
  • B
  • C
12
Fill in the missing numbers. 20 = 2 + ___

Answer: ___
(1)
13
There are 20 pupils. 6 are at the front of the class. How many are at the back of the class?

Answer: ___
(1)
14
Complete the pair. 0 + ___ = 20

Answer: ___
(1)
15
Complete this. 8 + 12 = ___

Answer: ___
(1)
16
Fill in the missing number. 20 - 9 = ___

Answer: ___
(1)
17
Yusuf has 20p. He buys a toy for 7p. How much change does he get?

Answer: ___p
(1)
18
Write the two missing numbers to make 20.

a) ___ + 14 = 20

b) 2 + ___ = 20
(a)___ + 14 = 20(1)
(b)2 + ___ = 20(1)
Mark scheme · KS1.M17 Number Bonds to 20

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18