Working Without Worksheets
Y3L1 Estimate Answers to Calculations Using Rounding to the Nearest 10 or 100
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Included with membershipEstimate the answer to a calculation and use inverse operations to check answers
Year 3Working Without Worksheets1 resource teaches this
What this means, in plain words
Inverse operations undo each other: addition and subtraction, multiplication and division.
Estimating means reaching an answer close enough to be useful, before or instead of calculating it exactly.
Tagged to Year 3 in working without worksheets. 1 resource in the library teach it.
The small steps it breaks into
Her own lesson numbering, in teaching order.
The resources that teach it
Every one differentiated three ways, editable in PowerPoint.