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AdditionSubtraction Word ProblemsMissing Addend Properties Fact Families

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86 -50

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Create a fact family for 3, 5, and 8.

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What are the other two number sentences to go with this fact family: = = 7

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Define what a fact family is.

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Explain why 6, 6, and 12 only have two number sentences for the fact family.

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Explain why 8, 9, and 18 do not create a fact family.

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Jonathan read 36 library books during the school year. His sister read 48 books. How many books did they read in all?

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The pet store sold 8 hamsters, 2 guinea pigs, and 5 birds. How many animals did it sell in all?

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Dawn collected 36 shells on Friday. By Sunday she had collected 58 shells. How many did she collect between Friday and Sunday?

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Morgan had 68 rocks in his rock collection. He traded in 19 rocks. How many does he have left?

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Abby and Jack collected 72 shells in all while on vacation at the beach. Abby collected 37 shells. How many shells did Jack collect?

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5 + ____ = 13

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____ + 7 = 16

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____ + 9 = 21

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Which fact would not help you find the missing addend for: ___ + 9 = 15 A.) 15 – 9 = 6 B.) 9 – 6 = 3 C.) = 15 D.) 15 – 6 = 9

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Amanda wants to plant 15 tulip bulbs. She planted 8 bulbs. How many bulbs does she have left to plant?

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Solve the problem. (3 + 7) + 4 = ____

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Solve the problem = ____ and = ____

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Name the property = 1

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Name the property. (6 + 8) + 4 = 18

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Name the property = 15 and = 15

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Click here for Final Jeopardy Click here for Final Jeopardy question.

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Make your wager

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Mrs. Brown had 24 apples. She used 9 for a pie. How many does she have left?

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When this song runs out, you have to give an answer…

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