Math Mammoth Geometry 1

118 pages
(includes answers)

Sample pages (PDF)
Contents
Review: Area of Rectangles Measuring Angles
Triangles
Circles
Volume of Rectangular Prisms

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Este libro en español

Math Mammoth Geometry 1 covers all the typical geometry topics for grades 4-5: angles, triangles, quadrilaterals, other polygons,area, perimeter and volume.

Geometry is a hands-on subject, and thus, many problems in this book involve drawing. I hope the students enjoy the hands-on experience, and besides, these drawing exercises are a good means of achieving a true conceptual understanding of geometry concepts. Exercises marked with the notebook symbol are meant to be done in the student's notebook or on blank paper.

The study of geometry is also full of new vocabulary. I encourage the usage of a geometry notebook, where students will write every new concept or term, and draw a picture or pictures and text to explain the term. That will help them to remember the terms better, and most children will like creating a book of their own. The students can also do the drawing exercises in this book.

The first lessons in the book review the area and perimeter of rectangles (as taught in third grade). Then the students are introduced to angles, and learn about acute, right, obtuse, and straight angles. Students learn how to measure angles with a protractor, draw angles, and estimate some common angles.

After angles, we study parallelograms and triangle classification by angles (acute, obtuse, right). Students are introduced to symmetry. Next, we review polygons (lots of drawing exercises here). Then students learn about the circle, including the terms circle, radius, and diameter, and how to draw circles and circle designs using a compass.

Then it is time to classify quadrilaterals and triangles. There are seven types of quadrilaterals to learn about, and now students classify triangles both by sides and by angles.

The last section of the book deals with area and perimeter of rectangular shapes, and volume of rectangular prisms. I have also included a lesson for problem solving, and two review lessons.

Please see also the geometry videos on this page. Most of them match the topics in this book, and can be used to provide additional instruction.

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.

Feedback

See also the review by Sol Lederman.