Math Mammoth Measuring 2

119 pages
(includes answers)

Sample pages (PDF)
Contents
Measuring Length
Metric Units for Measuring Length
Feet, Yards, and Miles
Metric Units of Weight
Convert Customary Units

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Este libro en español

Math Mammoth Measuring 2 is a worktext that covers the topics of time, temperature, length, weight, and volume, on the 4th-6th grade level. While the lessons still include some hands-on measurement activities, they mainly focus on conversions between measuring units and on problem solving.

The first part of the book, up through the lesson Review 1, is approximately 4th grade level material. It starts out with lessons about units of time and elapsed time, in which students do fairly complex calculations concerning elapsed time. Next follow lessons about temperature which cover both the Celsius and Fahrenheit scales.

In the following lessons, students review and learn more about the most common units for length, weight, and volume, using both customary and metric units. These lessons contain hands-on activities, conversion exercises, word problems, and line plots.

After the lesson Review 1, the book contains lessons for 5th and 6th grade levels. These lessons focus on the metric system in more detail, and on measurement conversions within the customary system, within the metric system, and also between customary and metric units. In these lessons, the symbol of a calculator next to a problem () means that students are allowed to use a basic calculator to solve the problem.

In this latter part of the book, the first lesson on the metric system mainly deals with very commonly used metric units, and we use the meaning of the prefix to do the conversion. For example, centimeter is a hundredth part of a meter, since the prefix "centi" means 1/100. Knowing that, gives us a means of converting between centimeters and meters.

The second lesson deals with more metric units, even those not commonly used, such as dekaliters and hectograms, and teaches a method for conversions using a chart. These two methods for converting measuring units within the metric system are sensible and intuitive, and help students not to rely on mechanical formulas.

After learning that, students practice measurement conversions within the customary system, rounding measurements, and conversions between metric and customary units. The last actual lesson of the book shows how to use ratios to convert measurements.

Recall that not all students need all the exercises; use your judgment in how many exercises you assign.

The PDF version of this book can be filled in on a computer, phone, or tablet, using the annotation tools found in many PDF apps. See more.