A 60-minute lesson designed to reinforce that students can choose to use different addition strategies in different situations.
Login to view the lesson plan.
Finding Your 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
ACMNA054
Recognise and explain the connection between addition and subtraction
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
MA2-3WM
Reasoning - checks the accuracy of a statement and explains the reasoning used
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
AC9M3A01
Recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences
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
We create premium quality, downloadable teaching resources for primary/elementary school teachers that make classrooms buzz!