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Math at Home. Expectations for Students. Mathematical Practice Standards. Mathematical Practice Standards. Common Addition/Subtraction Strategies. “I started at 642 and added 279 in parts. First, I added 200 to
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Common Addition/Subtraction Strategies “I started at 642 and added 279 in parts. First, I added 200 to 649 and got 842. Then I added 70 to 842 and got 912. I added 9 to 912 and got 921. So, 642 + 279 = 921.”
What to do at home Kindergarten * Practice counting and comparing objects/numbers 1stGrade * Practice ADDITION facts to 10 and related SUBTRACTION facts 2ndGrade * Practice ALL single-digit ADDITION facts and related SUBTRACTION facts (know from memory by the end of 2nd grade) 3rd Grade *Practice ALL single-digit MULTIPLICATION facts and related DIVISIONfacts (know from memory by the end of 3rd grade) 4th Grade * Continue practicing facts 5thGrade * Continue practicing facts