Math Mammoth Measuring 1

76 pages
(includes answers)

Sample pages (PDF)
Contents
Measuring to the Nearest Half-Inch
Centimeters and Millimeters
Weight in Pounds
Grams and Kilograms
Cups, Pints, Quarts, and Gallons

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Este libro en español

Math Mammoth Measuring 1 is a worktext that covers measuring length, weight, and volume for grades 1-3. The book contains both textbook explanations and exercises, and is designed to be easy to teach from, requiring very little teacher preparation; however in several lessons you will need to gather measuring equipment such as a ruler, a scale, or measuring cups.

The lessons in this book come from the Math Mammoth complete curriculum (Light Blue Series) for grades 1-3, and therefore the progression of lessons in this book is in a few places a little awkward. I have grouped the lessons together this way:

• the first two lessons have to do with exploring the concept of measuring (grade 1),
• then come lessons about measuring in inches and centimeters (grades 1-3),
• then lessons about feet, yards, miles, meters, and kilometers (grades 2-3),
• are lessons about measuring weight (grades 2-3),
• and lastly lessons about measuring volume (grade 3).

The lessons concentrate on hands-on exercises where the student actually measures things. I have only included a few problems about conversion between measuring units; students will study those more in later grades.

The lessons on measuring weight have several activities to do at home using a bathroom scales. The goal is to let students become familiar with pounds and kilograms, and have an idea of how many pounds or kilograms some common things weigh. In order to estimate weight, a child has to know the approximate weights of some objects, and then compare the weight of the unknown object to some known weight. This knowledge is gained through experience.

Similarly, in studying volume, the lessons include many hands-on activities so that the student gets first- hand experience in measuring, and has a basic knowledge of the size of the units cup, pint, quart, gallon, milliliter, and liter.

When it comes to measuring, experience is the best teacher. We all use various measuring units in our everyday life, and using them is the key to remembering what they are and what the conversion factors are. People in the United States do not use the metric system a lot, while people elsewhere do not use the customary system. The units your child is not using are likely to be forgotten easily. So encourage the student(s) to have free play time with measuring devices such as a scale, measuring cups, a measuring tape, and rulers — including equipment that uses metric units.

Math Mammoth also has another worktext about measuring, Math Mammoth Measuring 2, which is a sequel to this one. In it, students practice measurement unit conversions and problem solving.

Manipulatives

Here is a list of manipulatives that are needed or recommended for Math Mammoth Measuring 1. Children learn measuring much better if they can "get their hands on it", so the book contains lots of activities for actually measuring items.

1. A ruler that measures in inches.
2. A ruler that measures in centimeters.
3. A measuring tape that measures in feet.
4. A measuring tape that measures in meters.
5. A bathroom scales. It is best if you can have one that measures in pounds and kilograms, or one with pounds and another with kilograms; however I realize most people wouldn't normally buy two bathroom scales, so if you decide not to get both kinds, it means you will just need to skip some activities in the measuring chapter.
6. A kitchen scales that measures in ounces.
7. A kitchen scales that measures in grams.
8. A quart jar and a pint jar.
9. Measuring cups that measure 1 cup, 1/2 cup, 1/4 cup of which at least one has markings for ounces.
10. A measuring cup that measures in milliliters.

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.