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Math Mammoth Early Geometry

Math Mammoth Early Geometry book cover
121 pages
(answers included)

Sample pages (PDF)
Contents and Introduction
Shapes
Right Angles
Line Symmetry
Perimeter
Solids


Prices & ordering

PDF download USD $7.40

Add to cart

You will be purchasing the downloads from my authorized reseller Comecero, LLC.

Printed copy $11.95

Buy at Lulu

Printed copy £6.90, full color
US shipping available

Buy at Pingles Publishing

small flag of SpainEste libro en español

Math Mammoth Early Geometry covers geometry topics for grades 1-3.

The first lessons in this book have to do with basic shapes—that is where geometry starts. Children learn to recognize and draw basic shapes, and identify triangles, rectangles, squares, quadrilaterals, pentagons, hexagons, and cubes. They also put several shapes together to form new ones, or divide an existing shape into new ones.

We also study some geometric patterns, right angles, have surprises with pentagons and hexagons, and make shapes in a tangram-like game. These topics are to provide some fun while also letting children explore geometry and helping them to memorize the terminology for basic shapes. The students also learn a little about symmetry and mirror points—two hopefully easy and fun topics that tie together.

In the latter part of the book, the emphasis is on two 3rd grade concepts: area and perimeter. Students find perimeters of polygons, including finding the perimeter when the side lengths are given, and finding an unknown side length when the perimeter is given.

They learn about area, and how to measure it in either square inches, square feet, square centimeters, square meters, or just square units if no unit of length is specified. Students also relate area to the operations of multiplication and addition. They learn to find the area of a rectangle by multiplying the side lengths, and to find the area of rectilinear figures by dividing them into rectangles and adding the areas.

We also study the distributive property “in disguise.” This means using an area model to represent a × (b + c) as being equal to a × b plus a × c. The expression a × (b + c) is the area of a rectangle with side lengths a and (b + c), which is equal to the areas of two rectangles, one with sides a and b, and the other with sides a and c.

Multiplying by Whole Tens is a lesson about multiplication such as 3 × 40 or 90 × 7. It is put here so that students can then use their multiplication skills to calculate areas of bigger rectangles. Then we solve many area and perimeter problems. That is necessary so that students learn to distinguish between these two concepts. They also get to see rectangles with the same perimeter and different areas or with the same area and different perimeters.

boy holding a pyramid made of paper

Lastly we touch on solids, such as cube, rectangular prism, pyramids, cone, and cylinder, and study their faces, edges, and vertices. You can make paper models for them from the printouts provided after the answer key. Just print them out, cut out the shapes, fold the sides, and glue or tape the figures together. Alternatively you can buy them, usually made in plastic. Search on the internet for “geometric solids.”

This book is also suitable for a geometry notebook or journal project. This simply means that for each new TERM in the book, the student explains that term and draws the corresponding figure, using 1-2 blank pages. In the end, the student will have their very own geometry book to keep and show around!

After studying the lessons in this book, students can continue the study of geometry with Math Mammoth Geometry 1.

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.


Better Yet - Bundle Deals!

Blue Series - $165 (download)
Blue Series for grades 1-3 - $49 (download)
Blue Series for grades 4-5 - $47 (download)
Blue Series for grades 6-8 - $69 (download)

Light Blue Series, grades 1-8 - $225 (download)
Light Blue Series, grades 1-4 - $112.50 (download)
Light Blue Series, grades 5-8 - $112.50 (download)

All Inclusive Bundle - $275 (download)

"Everything" Bundle - $330 (download)

Learn more about the bundles!

*BONUS*: Buy any bundle listed above, and get the fully upgraded Soft-Pak software for FREE (includes 4 math and 2 language arts programs, complete with on screen and printable options).

How and where to order

You can buy Math Mammoth books at:

  • Here at MathMammoth.com website — simply use the "Add to cart" buttons you see on the product pages.
  • Rainbow Resource carries printed copies for the Light Blue series books, plus several CDs (Light Blue and Blue series).
  • Homeschool Buyers Club offers download versions of the Light Blue series, plus the Blue series bundle.
  • Homeschool Planet sells the digital versions of the main curriculum and lesson plans to go with them.
  • K5 Learning offers download versions of the Blue series.
  • TPT sells the Light Blue Series downloads, plus topical units.
  • Lulu sells printed copies for most of the Math Mammoth materials (various series).

By purchasing any of the books, permission IS granted for the teacher (or parent) to reproduce this material to be used with his/her students in a teaching situation; not for commercial resale. However, you are not permitted to share the material with another teacher.

In other words, you are permitted to make copies for the students/children you are teaching, but not for other teachers' usage.


Math Mammoth books are PDF files. I recommend you use Adobe Reader to view them, including if you use a Mac. You can try other PDF viewers, but they may at times either omit or mess up some of the images.
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