A 60-minute lesson designed to progress students' understanding of mental addition by partitioning numbers into place value to help them find a total.
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Split Strategy
60 mins
|
Suitable for years:
3
Curriculum
ACMNA053
Apply place value to partition, rearrange and regroup numbers to at least 10 000 to assist calculations and solve problems
ACMNA055
Recall addition facts for single-digit numbers and related subtraction facts to develop increasingly efficient mental strategies for computation
MA2-2WM
ProblemSolving - selects and uses appropriate mental or written strategies, or technology, to solve problems
MA2-4NA
WholeNumbers - applies place value to order, read and represent numbers of up to five digits
MA2-5NA
AdditionandSubtraction - uses mental and written strategies for addition and subtraction involving two-, three-, four- and five-digit numbers
AC9M3N03
Add and subtract two- and three-digit numbers using place value to partition, rearrange and regroup numbers to assist in calculations without a calculator
AC9M3A02
Extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator
Author
Teach Starter Publishing
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