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Skills Covered

  • Choose a ruler, a scale or a measuring cup for a job
  • Tell what each tool measures and its unit
  • Read a dial scale to the nearest pound
  • Read a measuring cup to the nearest cup
  • Measure to the nearest inch with a ruler
  • Estimate and compare length, weight and liquid volume

How to Use This Pack

Five pages on which tool measures what. Page 1 shows the three tools at the top, then nine questions: how long, how heavy, or how much it holds; students circle the ruler, the scale or the measuring cup. Page 2 matches each tool to what it measures and to its unit, then asks for the tool and the unit for six everyday jobs. Page 3 has six dial scales marked in pounds to read, and two questions that compare the weights. Page 4 reads three measuring jugs to the cup and measures three things on an inch ruler to the nearest inch. Page 5 circles the better estimate (a cat weighs about 10 pounds, not 100) and compares real things whose pictures are not to scale.

In the Classroom

Set a ruler, a kitchen scale and a measuring cup on a table. Hold up things from the room one at a time and ask a question about each: how long is this book, how heavy is this bag, how much water fits in this cup? Students point to the tool, say the unit, then one student measures.

At Home

Look for measuring tools at home together: a ruler or tape measure, a bathroom scale, a measuring cup in the kitchen. Ask your child what each one tells you, then weigh a bag of groceries, measure a spoon and fill a bowl one cup at a time.

Tips for Success

  • How long or how tall? Use a ruler and count inches
  • How heavy? Use a scale and read pounds
  • How much does it hold? Use a measuring cup and count cups
  • Line the thing up with the 0 on the ruler
  • Pictures are not to scale: think about the real thing

Common Core Standards Alignment

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

  • 2.MD.A.1 Choose a suitable tool, such as a ruler, yardstick, meter stick or tape measure, and use it to measure length.
  • 2.MD.A.2 Measure one object with two different units, such as inches and centimeters, and explain why a smaller unit gives a bigger number.
  • 2.MD.A.3 Make sensible guesses of lengths in inches, feet, centimeters and meters.
  • 2.MD.D.9 Measure several objects, or one object several times, in whole units and display the results on a line plot.
  • 3.MD.A.2 Estimate and measure mass in grams and kilograms and liquid volume in liters, and solve one-step story problems about them with any operation.

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

Choosing Measuring Tools

2nd Grade

A 5-page 2nd grade pack on picking the right tool: a ruler for how long, a scale for how heavy and a measuring cup for how much a container holds. Circle the tool for nine questions, match each tool to what it measures and to its unit (inches, pounds, cups), and pick the tool and the unit for six jobs. Read dial scales to the pound and compare the weights, read measuring jugs to the nearest cup, measure things on an inch ruler to the nearest inch, then circle the better estimate and the heavier, lighter, shorter or bigger one. 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)
  • Circle the tool, match tools to what they measure and their units
  • Read scales in pounds and measuring jugs in cups, measure in inches
  • Estimate, then compare real things
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