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Skills Covered

  • Read half-inch and quarter-inch marks
  • Read a tape measure
  • Write a length as a mixed number
  • Measure to the nearest half and quarter inch
  • Draw a line of a given length
  • Show measurements on a line plot marked in quarters

How to Use This Pack

Five pages about the marks between the inches. Pages 1 and 2 zoom in on one inch of a tape measure, split into halves and then into quarters: students read where the arrow points and write it as a mixed number, like 16 1/2 or 5 3/4 inches. Page 3 measures six things on inch rulers marked in quarters. On page 4 students draw lines of a given length from a dot and arrows at given marks. Page 5 measures eight crayons to the nearest quarter inch, then shows the lengths on a line plot. The first problem on pages 1 to 4 is worked as an example.

In the Classroom

Before page 1, fold a paper strip one inch long in half, then in half again, and mark the folds: the middle fold is the half inch and the others are the quarters. Show that the half-inch mark is longer than the quarter-inch marks on a real ruler. Page 5 works well as a class activity with real crayons from the bin.

At Home

Measure crayons, keys, or spoons with a ruler or tape measure and say the length out loud, like "three and a quarter inches." On page 4, check each drawn line with a real ruler.

Tips for Success

  • Start reading at the whole inch just before the arrow
  • The longest mark between two inches is the half inch
  • Count the quarter marks after the whole inch: one quarter, two quarters (one half), three quarters
  • Write 2/4 as 1/2: they are the same mark
  • On a line plot, put one X for each thing you measured

Common Core Standards Alignment

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

  • 3.MD.B.4 Measure lengths to the nearest half or quarter inch and show the measurements on a line plot marked in wholes, halves or quarters.

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

Measuring to the Half and Quarter Inch

3rd Grade

A 5-page measurement pack for 3rd grade. Read a zoomed-in tape measure where an arrow points to a half inch, then to a quarter inch, and write the measurement as a mixed number. Measure a pencil, a crayon, a worm, and more on inch rulers marked in quarters, draw lines and arrows at lengths like 2 1/2 and 3 3/4 inches, and measure eight crayons to make a line plot. Every page comes in color and in black and white. Answer keys included.

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What’s Included

  • 5 worksheets in color and in black and white, with answer keys (15 pages)
  • Two read-the-tape-measure pages: halves, then quarters
  • A measure-to-the-quarter-inch page and a draw-the-line page
  • A measure-and-line-plot page with eight crayons
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