CCSS.MATH.CONTENT.2.OA.B.2 — opens in a new tab
Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
5 resources
Mental Addition Strategies Year 2
$4.99 opens in a new tabMental Subtraction Strategies – Year 2
$4.99 opens in a new tabNear Doubles Year 2 Unit
$4.99 opens in a new tabPart-Part Whole – Year 2
$4.99 opens in a new tabPart-Part-Whole to 10 – Year 2
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