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Key Stage 2Ages 7-11Maths

Free Number Bonds Worksheets for Key Stage 2

Pairs of numbers that make up a target number. Download free printable maths worksheets designed for Key Stage 2 students (ages 7-11), aligned to the UK National Curriculum.

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What Your Child Will Learn

Recall bonds to 100
Use bonds to bridge through 10 and 100
Apply number bond knowledge to mental calculation strategies
Connect bonds to decimal and fraction work

Sample Number Bonds Questions for Key Stage 2

Here are examples of the types of questions your child will practice:

1

? + 45 = 100

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2

72 + ? = 100

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3

? + 650 = 1000

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4

What adds to 37 to make 100?

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5

Find the complement of 456 to 1000

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Skills Your Child Will Build

Mental arithmetic
Automaticity
Addition readiness
Subtraction readiness

Real-World Applications

Understanding number bonds helps children in everyday situations:

Quick mental maths
Making change
Estimation
Checking calculations

Common Mistakes to Watch For

Help your child avoid these common number bonds mistakes:

  • !Counting on fingers instead of recalling
  • !Not recognising complements to 10/20/100
  • !Reversing bonds
  • !Skipping bonds practice

Learning Progression

These number-bonds skills prepare students for secondary school, where they will encounter more challenging applications and abstract concepts.

Sample Number Bonds Worksheets

1 available

Number Bonds Worksheet - KS2 - Intermediate

intermediate
270

Number Bonds Worksheet Preview

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Number Bonds Worksheet - KS2 - Intermediate

Key Stage 2 · intermediate difficulty

Preview

Activity 1: Number Bonds to 10

Identify the missing number in each pair to complete the number bond to 10. Write your answer in the box provided.

1. 7 + ___ = 10 ______
2. 3 + ___ = 10 ______
3. ___ + 5 = 10 ______
4. 9 + ___ = 10 ______
5. ___ + 2 = 10 ______
6. 4 + ___ = 10 ______
7. ___ + 6 = 10 ______
8. 8 + ___ = 10 ______

Activity 2: Number Bonds to 100

Fill in the missing numbers to complete each number bond to 100. Use the box to show your answer.

1. 45 + ___ = 100 ______
2. ___ + 25 = 100 ______
3. 60 + ___ = 100 ______
4. ___ + 70 = 100 ______
5. 85 + ___ = 100 ______
6. ___ + 55 = 100 ______
7. 30 + ___ = 100 ______
8. ___ + 90 = 100 ______
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Tips for Teaching Number Bonds

1Focus on bonds to 10 first, then 20, then 100
2Use ten frames visually
3Play snap and matching games for automaticity
4Relate to subtraction every session

More Maths Topics for Key Stage 2

AdditionSubtractionMultiplicationDivisionFractionsDecimals

Number Bonds for Other Age Groups

Early Years

Ages 0-2

Nursery

Ages 3-4

Reception

Ages 4-5

Key Stage 1

Ages 5-7

Key Stage 3

Ages 11-14

GCSE

Ages 14-16

A-Level

Ages 16-18

Frequently Asked Questions

What number bonds topics are covered in these worksheets?▼
Our number bonds worksheets for Key Stage 2 cover all aspects of pairs of numbers that make up a target number as required by the UK National Curriculum. Each worksheet is designed to build skills progressively from foundation to challenge level.
Are these number bonds worksheets suitable for Key Stage 2?▼
Yes, these worksheets are specifically designed for Key Stage 2 students (ages 7-11). The content difficulty and question types are carefully matched to National Curriculum expectations for this age group.
How can I use these number bonds worksheets effectively?▼
We recommend 15-20 minutes of focused practice per session. Use the worksheets to reinforce concepts taught at school, identify areas needing more practice, and build confidence. Every worksheet includes an answer key for easy self-assessment.
Do the number bonds worksheets include answer keys?▼
Yes, every worksheet comes with a complete answer key on a separate page. This makes it easy for parents to check homework, teachers to mark work, and students to self-assess their understanding.

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