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Features

  • Every lesson of the unit, in the order of the test
  • Rectangles with fraction and decimal sides
  • Shapes made of two rectangles, one with an upright side missing
  • Right triangles, parallelograms, any triangle and a trapezoid
  • A triangle story that asks for a perimeter and an area, each with its units
  • Estimate the perimeter of a polygon and of a half circle
  • Every question is for the states that teach these lessons in 5th grade
  • Answer keys name the lesson and skill of every question

Skills Covered

  • Rectangles with fraction and decimal sides
  • Shapes made of rectangles
  • Area of right triangles
  • Area of parallelograms and triangles
  • Trapezoids and stories in the right units
  • Estimating perimeters

How to Use This Pack

Two pages that go over the whole unit on the area and perimeter of polygons, to do together the day before the test. Its 12 questions take the lessons in the test's order, with other numbers: its shape of rectangles is missing an upright side, its triangle on the grid has its square corner on the right, its story is a triangle and its curved shape a half circle. 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. Every lesson in this unit is one some states teach in 5th grade: skip the questions for lessons your class does not learn. 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 explain why the area of a right triangle is half of the rectangle around it.

Tips for Success

  • Ask "covering or going around?" before each answer: square units or units
  • Have students say which two lengths go in the formula before they multiply
  • Point out that a slanted side is not the height
  • Let students split shapes in more than one way
  • 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:

  • 4.MD.A.3 Solve real and math problems with rectangle area and perimeter formulas, such as finding an unknown side from the area and the other side.
  • 5.NF.B.4a Multiply a whole number or fraction by a fraction, seeing (3/4) × 2 as 3 of the 4 equal parts of 2, using models.
  • 5.NF.B.4b Tile a rectangle with fraction side lengths using squares whose sides are unit fractions, and see the area equals the two sides multiplied.
  • 5.NF.B.5a Without multiplying, tell how the size of a product compares to one factor by looking at the size of the other factor.
  • 5.NF.B.5b Explain why multiplying by a fraction above 1 makes a number bigger and below 1 makes it smaller; see equivalent fractions as multiplying by 1.
  • 5.NF.B.6 Solve real-life problems that multiply fractions and mixed numbers, using fraction models or equations.

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

5th Grade Area and Perimeter Unit Review

5th Grade

A review of the unit on the area and perimeter of polygons, to go over together the day before the test. Students find area and perimeter with fraction and decimal sides, measure shapes made of rectangles, find the area of triangles, parallelograms and trapezoids, and estimate perimeters.

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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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