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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
Solve addition and subtraction problems to 20
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Focus on solving addition and subtraction word problems to 20. Open support for “Find the Missing Number Using Addition or Subtraction”, then explain the idea in your own words.
Year 1 learners practise solving addition and subtraction word problems to 20.
The activities include Find the Missing Number Using Addition or Subtraction, Add The Missing Number, Add up to 20 With Pictures, and related practice. The checked support below includes video, worksheet, teaching-practice, practice. 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.
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.
- Find the Missing Number Using Addition or Subtraction — support from Twinkl
- Add The Missing Number — support from Twinkl
- Add up to 20 With Pictures — support from Oak National Academy
- Find the Missing Number — support from Twinkl
- Find the Missing Number Using Addition or Subtraction — support from Twinkl
- Find the Missing Number Using Inverse Operation — support from Twinkl
- Practise Adding and Subtracting Ten (0 - 100) — support from Oak National Academy
- Practise Adding Two Numbers Quickly — support from Oak National Academy
- Practise Addition — support from Oak National Academy
- Practise Subtracting Numbers Up to 20 Using Pictures — support from Oak National Academy
- Practise Working Out Missing Numbers: 0 to 20 — support from Twinkl
- Solve Subtraction Word Problems — support from Oak National Academy
- Solve Word Problems Using Addition and Subtraction — support from Oak National Academy
- Understand How to Add or Subtract Ten (0-55) — support from YouTube — Maths with Mrs B.
- Use Pictures to Subtract Numbers Up to 20 — support from Oak National Academy
- Work Out Missing Numbers — support from Twinkl
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Watch it explained
watch a video explanation
Missing Number Addition and Subtraction Problems within 20 | KS1 Maths Concept Video
Best for: a clear explanation before you practise
Interpret and Represent Addition Stories
Best for: a clear explanation before you practise
Interpret and Represent Subtraction Stories
Best for: a clear explanation before you practise
Add and Subtract 10
Best for: a clear explanation before you practise
Create Addition and Subtraction Stories
Best for: a clear explanation before you practise
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Learn it properly
lessons and teaching pages
PlanIt Maths Year 1 Addition and Subtraction Lesson Pack 35: Find Missing Numbers with Addition and Subtraction within 20
Best for: worked examples and step-by-step teaching
Transport Trace Count and Add to 20 Worksheet
Best for: worked examples and step-by-step teaching
Picture Problems Challenge Cards
Best for: worked examples and step-by-step teaching
PlanIt Maths Year 1 Addition and Subtraction Lesson Pack 34: Find Missing Numbers with Subtraction within 20
Best for: worked examples and step-by-step teaching
10 More, 10 Less Worksheet
Best for: worked examples and step-by-step teaching
Addition to 20
Best for: worked examples and step-by-step teaching
Addition within 20 with a Number Line Activity Sheets
Best for: worked examples and step-by-step teaching
Addition and Subtraction to 20 Word Problem Activity Sheets
Best for: worked examples and step-by-step teaching
Addition and Subtraction to 20 Word Problem Challenge Cards
Best for: worked examples and step-by-step teaching
Christmas 10 More and 10 Less Activity Sheet
Best for: worked examples and step-by-step teaching
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Practise it
questions and activities to try
Subtraction by Crossing Out Pictures Maths Activity Sheets
Best for: checking understanding after learning
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Print and finish
worksheets away from the screen
Y1 Gaps in Number Sentences PlanIt Maths Lesson Pack
Best for: pencil-and-paper practice away from the screen
Subtracting with a Part-Whole Model
Best for: pencil-and-paper practice away from the screen
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