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Features

  • Every lesson of the unit, in the order of the test
  • Write the equation a subtraction model shows, and shade two grids to add past 1
  • Write problems in boxes with the decimal points lined up, and add or subtract
  • Round to whole numbers to estimate, and decide whether an answer is reasonable
  • Find a total and change, circle the better buy, and solve one-step and two-step stories
  • Answer keys name the lesson and skill of every question

Skills Covered

  • Add and subtract on hundred grids
  • The equation a model shows
  • Line up the decimal points
  • Write zeros in empty places
  • Estimate by rounding to whole numbers
  • Is the answer reasonable?
  • Totals, change and the better buy
  • One-step and two-step story problems

How to Use This Pack

Two pages that go over the whole unit on adding and subtracting decimals, to do together the day before the test. Its 12 questions take the lessons in the test's order, with other numbers; where the test writes the equation of an addition model, the review writes a subtraction one, where the test shades a grid to subtract, the review shades two grids to add, and where the test shows an answer that is not reasonable, the review shows one that is. There is no Score line: it is practice, not a grade. The pre-check and the unit test are packs of their own.

In the Classroom

Do the review together the day before the test. 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 name each question's lesson, so a question the class misses points to the lesson to go back to.

At Home

Use the review as practice before a test at school. Ask your child to estimate first, then work the problem, then say whether the answer is close to the estimate.

Tips for Success

  • Line up the decimal points first, then the digits
  • Write zeros in empty places before subtracting
  • Estimate before working a problem, then check the answer against the estimate
  • Read each story twice and name what the question asks for
  • Go back to the lesson the key names for a question the class misses

Common Core Standards Alignment

This pack supports the following Common Core State Standards for Mathematics:

  • 5.NBT.A.4 Round decimals to any place, such as the nearest whole number, tenth or hundredth, by thinking about place value.
  • 5.NBT.B.7 Do all four operations with decimals to hundredths using models, drawings and place value, and explain how each strategy matches a written method.
  • 5.MD.A.1 Change measurements between bigger and smaller units of one system, such as 250 cm to 2.5 m, and use this in multi-step real-life problems.

© Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.

5th Grade Adding and Subtracting Decimals Unit Review

5th Grade

A review of the unit on adding and subtracting decimals, to go over together the day before the test. Students use hundred grids, line up the decimal points, estimate to check an answer, work with money and solve decimal stories.

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What’s Included

  • A two-page review of every lesson in the unit (12 questions)
  • Answer keys that name each question's lesson and skill (4 pages in all)
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This worksheet is free to download, print, copy, and hand out in your classroom or at home. You do not need to create an account, and there are no watermarks on the PDF.