Two pages that go over the whole unit on subtracting within 100, to do together the day before the test. Its 12 questions are the same kinds as the test's, in the same order, with other numbers, so nothing on the review is on the test. The last one (estimate to check) is for the states that teach it. There is no Score line: it is practice, not a grade. The pre-check and the unit test are packs of their own.
Do the review together the day before the test, keeping base-ten blocks out. Work a question, then let students try the next one on their own, and stop on any that trip up more than a few. The keys show one way to break a number apart; any way that works is right. The keys name each question's lesson, so a question the class misses points to the lesson to go back to.
Use the review as practice before a test at school. Ask your child to check a subtraction by adding the answer to the number taken away.
This pack supports the following Common Core State Standards for Mathematics:
© Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.
A review of the unit on subtracting within 100, to go over together the day before the test. Students take away tens, jump back on an open number line, trade a ten, subtract in columns, count up to subtract and check by adding.
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