TheLearnDenYear 3 · Maths
Use Mental Addition Subtraction To 1000
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.
Activities covered
- Add and Subtract Numbers Mentally
- Choose the Best Method to Add Numbers Mentally
- Use Near Doubles to Add Numbers Mentally
- Use Partitioning to Add Numbers
- Use Suitable Methods to Add and Subtract Numbers Mentally
Checked learning resources
-
Add and Subtract Mentally
Oak National Academy · Video · Opens on the provider website
The exact Year 3 Oak lesson video teaches applying mental strategies to three-digit calculations.
-
Choose an Efficient Mental Method
Oak National Academy · Video · Opens on the provider website
The exact Year 3 Oak lesson video teaches selecting an efficient mental addition or subtraction method.
-
Use Near Doubles and Adjusting
Oak National Academy · Video · Opens on the provider website
The exact Year 3 Oak lesson video teaches using near doubles and adjustment for mental addition.
-
Add Using Partitioning
Oak National Academy · Video · Opens on the provider website
The exact Year 3 Oak lesson video teaches partitioning hundreds, tens and ones to add three-digit numbers mentally.
-
Add and Subtract Mentally: Worksheet and Quizzes
Oak National Academy · Worksheet · Opens on the provider website
The browser-first downloads page provides worksheet, starter-quiz and exit-quiz practice for applying mental strategies to three-digit calculations.
-
Add and Subtract Mentally: Year 3 Unit
Oak National Academy · Teaching · Opens on the provider website
The Year 3 unit sequence places applying mental strategies to three-digit calculations within a coherent progression.
-
KS2 Adding and Subtracting
BBC Bitesize · Teaching · Opens on the provider website
BBC teaching supports mental, written and problem-solving strategies.
-
Choose an Efficient Mental Method: Worksheet and Quizzes
Oak National Academy · Worksheet · Opens on the provider website
The browser-first downloads page provides worksheet, starter-quiz and exit-quiz practice for selecting an efficient mental addition or subtraction method.