Description

This Free Number Bonds to 20 worksheet is a simple and effective printable resource designed to help pupils practise key addition facts in a variety of ways.

The worksheet features a mix of missing number problems, encouraging children to think carefully about number bonds rather than relying on simple patterns. Pupils must identify the missing number in different positions, helping to develop a deeper understanding of how numbers combine to make 20.

✔ Free download
✔ Instant access
✔ No prep required

The two-column layout provides a clear structure, allowing pupils to work through the problems step by step while building confidence and fluency.

This is part of our Math Topic Resources. See our full range at:

KS1 & KS2 Maths PowerPoint Lessons | Primary Resources

This resource supports the transition from number bonds to 10 and helps pupils develop stronger mental maths skills with larger numbers.

This worksheet is ideal for supporting:

• learning number bonds to 20

• developing addition skills

• building number fluency

• recognising number relationships

• strengthening problem-solving skills

The clear and simple design makes it suitable for independent work, classroom activities, or homework tasks.

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🟢 WHAT’S INCLUDED

• Number bonds to 20 mixed missing number worksheet
• Two-column structured layout
• Clear and simple design
• Printable format

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🟢 PERFECT FOR

KS1 Maths
KS2 Maths
Number bonds practice
Addition lessons
Maths fluency
Homework tasks
Intervention groups

Elementary School

3rd Grade Math

4th Grade Math

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🟢 FILE TYPE

📥 File Type: PDF (Printable) + Editable Word Version Included
✏️ Includes editable Word version – customise for your class

⭐ Bonus Tip

Pair this resource with our  Workbooks and free maths worksheets to provide a complete maths practice system.

Multiplication Workbook KS1 & KS2 | Times Tables Worksheets Pack

Addition Workbook KS1 | Addition to 20 Maths Worksheets Pack

Related Resources

Use these workbooks alongside our FREE worksheets available on the site to provide additional practice and reinforcement.

• Number Bonds to 10 Poster
• Number Bonds to 20 worksheet
• Missing Numbers Worksheet
• Number Bonds to 10 Worksheet | Missing Number Activity KS1 Maths
• Addition to 10 Worksheet | KS1 Printable Maths Activity

🔢 Explore FREE Times Tables & Multiplication Resources

• Times Tables Practice Booklet KS1 & KS2 | Free Multiplication Worksheets
• Blank 12 × 12 Times Tables Grid | Multiplication Chart Worksheet
• Blank Times Tables Grid Printable | Free KS1 KS2 Download
• Times Tables Chart Printable | Multiplication Tables for KS1 & KS2

🔢 Explore FREE Maths Essentials

• Free Number Lines 1–10 and 1–20 | KS1 Maths Printable
• Blank Number Line 1 to 100 Printable | KS1 KS2 Maths Worksheet
• 100 Square Printable | Numbers to 100 Grid for KS1 Maths
• 1cm Squared Paper Free Printable | Maths Grid Paper for KS2

Browse all of our FREE and premium teaching resources here for KS1 & KS2 .