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Maths
Use equivalence and compensation to simplify and solve subtraction problems
- Lesson 1
Explain and represent constant difference for subtraction
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- Lesson 2
Explain how constant difference can make written calculations more efficient
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- Lesson 3
Use constant difference to balance equations and find unknowns
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- Lesson 4
Explain how increasing or decreasing the minuend affects the difference
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- Lesson 5
Solve subtraction calculations mentally by using known facts
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- Lesson 6
Explain how adjusting the minuend can make mental calculation easier
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- Lesson 7
Explain how adjusting the subtrahend affects the difference: reduction structure
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- Lesson 8
Explain how adjusting the subtrahend affects the difference: partitioning
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- Lesson 9
Calculate the difference using knowledge of an adjusted subtrahend: difference structure
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- Lesson 10
Use equivalence and compensation strategies to solve subtraction problems in a range of contexts
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