Standard: Add and subtract within 20 CCSS.MATH.CONTENT.2.OA.B.2 Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from.

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Presentation transcript:

Standard: Add and subtract within 20 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. DISCLAIMER: SCARY SOUNDS MAY SUDDENLY OCCUR

 Everyday life:  Calendar  Money  Age  Time

+= ?

+ = ?

+ ? =

+ = ?

+ = ?

+ = ?

8+9=6+3=4+9= 5+6=8+8=5+5= 9+3=4+3=2+9= 5+4=2+5=3+6=

 Center 1: Math Bingo  Center 2: I want “sum” Candy  Center 3: Dice Roll Color  Center 4: Addition to 10 Candy Corn  Center 5: Spooky trees and scary spiderwebs Rules: Silent cheers, be team-players, help each other, write name on worksheets, be kind!