Our goal for first grade is that 85% of the students will accurately complete 45/50 mixed addition and subtraction problems within a ten minute time frame.
Our goal for second grade is 85% of the students will accurately complete 90/100 mixed addition and subtraction problems within a seven minute time frame.
This goal is for the end of the year and students are not expected to be able to do this now. Here are some websites to help your child practice at home.
http://www.mathfactcafe.com/view/?t=P
http://www.coolmath4kids.com/subtraction/index.html
http://www.funbrain.com/math/index.html
http://www.mathplayground.com/
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