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Play Addition & Subtraction Sprint
Choose a number range and practise connected mental addition and subtraction questions with immediate corrective feedback. Saving is off unless you choose it.
Year 1 · Maths
Add And Subtract To 20
Start here
Focus on adding and subtracting numbers up to 20. Open support for “Add Objects Between 0 and 10”, then explain the idea in your own words.
Year 1 learners practise adding and subtracting numbers up to 20.
The activities include Add Objects Between 0 and 10, Add Two Numbers Up to 20, Add Two Numbers Up to 20 in Any Order, and related practice. The checked support below includes video, teaching-practice, worksheet, lesson. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.
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Print & practise
Practise the selected skills below. Each pack explains what it covers and what to try next.
Number bonds and fact families
Build wholes from two parts and connect addition facts to related subtraction facts. Practise missing parts, zero and checking a claim using counters and part-whole diagrams. Selected number-bond and fact-family practice within 20 only; not instant recall, speed practice, calculations above 20 or the whole topic.
7 pages · answers and adult guidance · selected skills, not the whole topic
Add and subtract stories to 20
Use pictured counters, choose an operation, solve one-step addition and take-away stories, then find a missing number by undoing a change. Selected practice within 20 only. It does not cover comparison difference, measures, two-step problems, speed practice or calculations above 20.
7 pages · answers and adult guidance · selected skills, not the whole topic
Activities covered
Finish one activity, then tap Done to earn one Den Drop ticket. You can earn up to 3 tickets each day.
- Add Objects Between 0 and 10 — support from Oak National Academy
- Add Two Numbers Up to 20 — support from Oak National Academy
- Add Two Numbers Up to 20 in Any Order — support from Oak National Academy
- Complete the Addition: 0 to 20 — support from Oak National Academy
- Complete the Subtraction: Numbers up to 20 — support from Oak National Academy
- Count Pictures to Aid Subtraction — support from Oak National Academy
- Know Adding Bonds up to 20 — support from Twinkl
- Know Subtracting Bonds Up to 20 — support from Twinkl
- Know Your Subtraction: Subtract 1, 2 or 3 From a Number — support from Oak National Academy
- Know Your Subtraction: Subtract 4, 5 or 6 From a Number — support from Oak National Academy
- Know Your Subtraction: Subtract 7, 8 or 9 From a Number — support from Oak National Academy
- Subtraction within 20: resource links — support from Oak National Academy
- Know Your Subtraction: Subtract Numbers Less Than 20 — support from Oak National Academy
- Practise Adding Bonds Up to 20 — support from Twinkl
- Practise Simple Addition Skills Including Number Bonds to 20 — support from Twinkl
- Practise Simple Subtraction Skills Including Number Bonds Up to 20 — support from Twinkl
- Practise Subtracting Bonds Up to 20 — support from Twinkl
- Practise Subtracting Two Numbers Under 20 — support from Oak National Academy
- Practise Your Addition: Add 1, 2 or 3 to a Number — support from Oak National Academy
- Addition within 20 and up to 30: resource links — support from Oak National Academy
- Practise Your Addition: Add 7, 8 or 9 to a Number — support from Oak National Academy
- Solve A Mixture of Addition and Subtraction Word Problems — support from Oak National Academy
- Subtract Two Numbers Under 20 — support from Oak National Academy
- Use Simple Addition Skills Including Number Bonds to 20 — support from Twinkl
- Use Simple Subtraction Skills Including Number Bonds Up to 20 — support from Twinkl
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Watch it explained
watch a video explanation
Interpret and Represent Addition Stories
Best for: a clear explanation before you practise
Use Facts Within 10 to Add Within 20
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Explain That Addition Is Commutative
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Use Facts Within 10 to Subtract Within 20
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Interpret and Represent Subtraction Stories
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Find and Make Number Bonds to 20 | KS1 Maths Concept Video
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Create Addition and Subtraction Stories
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Learn it properly
lessons and teaching pages
PlanIt Maths Year 1 Addition and Subtraction Lesson Pack 12: Add More
Best for: worked examples and step-by-step teaching
Add More Maths Activity Sheets
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Addition to 20
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Addition within 20 with a Number Line Activity Sheets
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Ultimate Subtraction within 20 Activity Sheets
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Subtraction from 20 Number Line Activity Sheet
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Subtraction by Crossing Out Pictures Maths Activity Sheets
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Year 1 Number Bonds within 20 Maths Mastery Bumper Pack
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Number Bonds of 20 on Robots Activity
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Addition to 30 Worksheet
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Addition to 30 Activity Sheet
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Addition and Subtraction to 20 Word Problem Activity Sheets
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Addition and Subtraction to 20 Word Problem Challenge Cards
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Practise it
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Print and finish
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Subtracting with a Part-Whole Model
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