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CC 1st grade word problems - Lake Shore Middle School

1.OA.7 Understand the meaning of an equal sign, and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false? 7=7, 6=7-1, 6+4=4+6, 7+2=3+5. 1.OA.8 1. Six cookies were on the table. I ate some cookies. Then there were 4 cookies. How many cookies did I eat?