Sunday, June 7, 2020

Subtraction Within 20 Bundle

Today's Boom bundle includes 4 decks of 20 cards each:
*Subtraction Within 10
*Subtraction Within 10 Missing Subtrahend
*Subtraction Within 20
*Subtraction Within 20 Missing Subtrahend


CCSS.MATH.CONTENT.1.OA.C.5 Relate counting to addition and subtraction 
CCSS.MATH.CONTENT.1.OA.C.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. 
CCSS.MATH.CONTENT.1.OA.B.4 Understand subtraction as an unknown-addend problem. CCSS.MATH.CONTENT.1.OA.D.8 Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. 
CCSS.MATH.CONTENT.2.OA.B.2 Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.

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2 comments:

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  2. Model Paper
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    Please check the Concerned Board Official Site to find the 10th Board Exam Sample Papers. To find Subject-Wise All Board 10th Model Question Paper PDF Links.
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