This late first/early second grade product addresses the standard
1.OA.D.8 which reads: Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.
It is suitable as a scoot game, used as a math center, or as a supplement in your small groups.
There are 10 cards, each with 3 number sentences. Each of the number sentences (2 addition/1 subtraction) is missing the SAME number. Your kiddos will place a clothespin on the correct answer at the bottom of the card and record their response.
I've included a recording sheet along with an answer key.
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6 pages - Enjoy!