Year 1 · Maths
Solve Add Subtract Problems To 20
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, lesson, practice. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.
Activities covered
- Find the Missing Number Using Addition or Subtraction
- Add The Missing Number
- Add up to 20 With Pictures
- Find the Missing Number
- Find the Missing Number Using Addition or Subtraction
- Find the Missing Number Using Inverse Operation
- Practise Adding and Subtracting Ten (0 - 100)
- Practise Adding Two Numbers Quickly
- Practise Addition
- Practise Subtracting Numbers Up to 20 Using Pictures
- Practise Working Out Missing Numbers: 0 to 20
- Solve Subtraction Word Problems
- Solve Word Problems Using Addition and Subtraction
- Understand How to Add or Subtract Ten (0-55)
- Use Pictures to Subtract Numbers Up to 20
- Work Out Missing Numbers
Checked learning resources
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Missing Number Addition and Subtraction Problems within 20 | KS1 Maths Concept Video
Twinkl · Video · Account may be required
Exact Year 1 video solves missing-number calculations within 20 using addition, subtraction and inverse knowledge.
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Interpret and Represent Addition Stories
Oak National Academy · Video · Opens on the provider website
Oak lesson video turns concrete and pictorial addition stories into accurate mathematical representations.
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Interpret and Represent Subtraction Stories
Oak National Academy · Video · Opens on the provider website
Oak lesson video models subtraction as taking away and represents the calculation with pictures and symbols.
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Create Addition and Subtraction Stories
Oak National Academy · Video · Opens on the provider website
Oak lesson video distinguishes addition and subtraction contexts and builds matching one-step stories.
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Y1 Gaps in Number Sentences PlanIt Maths Lesson Pack
Twinkl · Worksheet · Account may be required
Exact Year 1 teaching and practice solves missing-number and inverse-operation calculations.
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Y1 Add and Subtract Numbers PlanIt Maths Lesson Pack
Twinkl · Worksheet · Account may be required
Exact Year 1 teaching and practice covers concrete, pictorial and abstract addition and subtraction within 20.
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Y1 Exploring Number Facts PlanIt Maths Lesson
Twinkl · Worksheet · Account may be required
Exact Year 1 teaching and practice develops fluent facts, number bonds and related calculations.
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Subtracting with a Part-Whole Model
Twinkl · Worksheet · Account may be required
Year 1 pictorial teaching and practice subtracts by crossing out, partitioning and using part-whole models.