Have your students practice finding the missing addends with 2 digit numbers and identifying the related addition and subtraction number sentences.
Students match the related addition and subtraction number sentences, calculate the answer, then find the missing number.
Students can write the number sentences and missing numbers on the recording sheet provided or in their notebooks.
This game includes:
24 addition sentences
24 related subtraction sentences
24 answer cards
72 cards in total
Standard - CC.2.NBT.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.