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