Free interactive practice
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.
Practise selected addition and subtraction calculations within 1,000. Mental strategy and complete method coverage need other activities.
Year 3 · Maths
Use Mental Addition Subtraction To 1000
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Focus on mental addition and subtraction strategies. Open support for “Add and Subtract Numbers Mentally”, then explain the idea in your own words.
Year 3 learners practise mental addition and subtraction strategies.
The activities include Add and Subtract Numbers Mentally, Choose the Best Method to Add Numbers Mentally, Use Near Doubles to Add Numbers Mentally, and related practice. The checked support below includes video, worksheet, teaching, 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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- Add and Subtract Numbers Mentally — support from Oak National Academy
- Choose the Best Method to Add Numbers Mentally — support from Oak National Academy
- Use Near Doubles to Add Numbers Mentally — support from Oak National Academy
- Use Partitioning to Add Numbers — support from Oak National Academy
- Use Suitable Methods to Add and Subtract Numbers Mentally — support from Oak National Academy
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Watch it explained
watch a video explanation
Add and Subtract Mentally
Best for: a clear explanation before you practise
Choose an Efficient Mental Method
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Use Near Doubles and Adjusting
Best for: a clear explanation before you practise
Add Using Partitioning
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Learn it properly
lessons and teaching pages
Add and Subtract Mentally: Year 3 Unit
Best for: worked examples and step-by-step teaching
KS2 Adding and Subtracting
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Practise it
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Print and finish
worksheets away from the screen
Add and Subtract Mentally: Worksheet and Quizzes
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Choose an Efficient Mental Method: Worksheet and Quizzes
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Use Near Doubles and Adjusting: Worksheet and Quizzes
Best for: pencil-and-paper practice away from the screen
Add Using Partitioning: Worksheet and Quizzes
Best for: pencil-and-paper practice away from the screen
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