Homeschool Planner Key to Math Series Workbooks lesson plan button

Key to Math Series

Effortlessly add your Key to Math curriculum to your homeschool schedule with these lesson plans for use with your Homeschool Planet subscription. The Key To Math series is a very self-instructional, unintimidating, programmed learning series. Covering seven basic topics, students can work through these horizontally or vertically. They are ideal for “homework” or a more topical approach to the subject.

What You Get:

  • The publisher-recommended course of study
  • 3- 10 weeks lesson plan, covering all the assignments for your selected Key to Math Series 
  • Checkboxes for your students to check off as they complete their assignments, providing them with a sense of accomplishment and a permanent record of their achievement.
  • Key to Algebra, Books 1-10 contains all ten books in the series 
  • Key to Decimals, Books 1-4 contains all four books in the series 
  • Key to Fraction, Books 1-4 contains all four books in the series 
  • Key to Geometry, Books 1-8 contains all eight books in the series
  • Key to Measurement, Books 1-4 contains all four books in the series 
  • Key to Metric Measurement, Books 1-4 contains all four books in the series 
  • Key to Percents, Books 1-3 contains all three books in the series 
  • Automatic lesson plan updates as needed, with enhancements, link updates, etc.
    Note: You decide whether to apply the updates.

Please note: Curriculum is not included with your lesson plan and should be purchased separately. Select the "More Info" link located in each lesson plan option below for a description of the curriculum and an affiliate link to purchase the curriculum. These lesson plans are subject to copyright laws and cannot be used beyond those in your household. By “household” we mean a person or persons sharing the same single family housing unit such as a home, apartment, mobile home or condominium. You may reach us with any questions at support@homeschoolplanet.com.

  • Automatic rescheduling of assignments when “life happens”
  • “Daily Digest” email reminders to help you and your child stay on track
  • Grade your student’s work to recognize or reward completion.
  • Track attendance for states where this is required.
  • Generate reports, reminders, and much more!
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Key to Algebra, Books 1-10 For Grades 6 - 10
More Info
The curriculum for this Key to Algebra, Books 1-10 lesson plan can be found by using the following link~

53088: Key To Algebra, Books 1-10Key To Algebra, Books 1-10
By McGraw-Hill

Key To Algebra offers a unique, proven way to introduce algebra to your students. New concepts are explained in simple language and examples are easy to follow. Word problems relate algebra to familiar situations, helping students understand abstract concepts. Students develop understanding by solving equations and inequalities intuitively before formal solutions are introduced. Students begin their study of algebra in Books 1-4 using only integers. Books 5-7 introduce rational numbers and expressions. Books 8-10 extend coverage to the real number system. This kit contains only Books 1-10. Answers Notes for Books 1-4 Books 5-7 and Books 8-10 are available separately, as well as the Key to Algebra Reproducible Tests.

Disclosure: Some of the links in this post are “affiliate links.” This means we may garner a small commission at no cost to you if you choose to make a purchase. Read our full Affiliate Disclosure Statement for more information.
$10.95

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Key to Decimals, Books 1-4 For Grades 6 - 10
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The curriculum for this Key to Decimals, Books 1-4 lesson plan can be found by using the following link~

68413: Key To Decimals, Books 1-4Key To Decimals, Books 1-4
By McGraw-Hill

Key To Decimals offers a unique, proven way to introduce decimals to your students. New concepts are explained in simple language and examples are easy to follow. Word problems relate decimals to familiar situations, helping students understand abstract concepts. Students develop understanding by progressing slowly from basic to more complex questions. Students begin their study of decimals in Book 1 using real-life, practical applications. Book 2 focuses on adding, subtracting, and multiplying; Book 3 covers multiplication and division, remainders and place value. Book 4 covers rounding off decimals, estimating, graphing averages and more. This Kit contains only Books 1-4; Answer Notes for Books 1-4 and Tests for Books 1-4 are available separately.

Disclosure: Some of the links in this post are “affiliate links.” This means we may garner a small commission at no cost to you if you choose to make a purchase. Read our full Affiliate Disclosure Statement for more information.
$6.95

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Key to Fractions, Books 1-4 For Grades 6 - 10
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The curriculum for this Key to Fractions, Books 1-4 lesson plan can be found by using the following link~

33100: Key To Fractions, Books 1-4Key To Fractions, Books 1-4
By McGraw-Hill

These workbooks feature a number of exercises to help your child learn about fractions. Book 1 teaches fraction concepts, Book 2 teaches multiplying and dividing, Book 3 teaches adding and subtracting, and Book 4 teaches mixed numbers. Each book has a practice test at the end. Tests and Answer Notes available separately.

Disclosure: Some of the links in this post are “affiliate links.” This means we may garner a small commission at no cost to you if you choose to make a purchase. Read our full Affiliate Disclosure Statement for more information.
$6.95

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Key to Geometry, Books 1-8 For Grades 6 - 10
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The curriculum for this Key to Geometry, Books 1-8 lesson plan can be found by using the following link~

43101: Key To Geometry Books 1-8Key To Geometry Books 1-8
By McGraw-Hill

Key to Geometry offers a non-intimidating way to prepare students for formal geometry as they do step-by-step constructions. Using only a pencil, compass, and straightedge, students begin by drawing lines, bisecting angles, and reproducing segments. Later they do sophisticated constructions involving over a dozen steps and are prompted to form their own generalizations. When they finish, students have been introduced to 134 geometric terms and are ready to tackle formal proofs. This kit contains only Books 1-8; Answer notes for books Books 1-3, Books 4-6, Book 7, and Book 8 available separately.

Disclosure: Some of the links in this post are “affiliate links.” This means we may garner a small commission at no cost to you if you choose to make a purchase. Read our full Affiliate Disclosure Statement for more information.
$9.95

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Key to Measurement, Books 1-4 For Grades 6 - 10
More Info
The curriculum for this Key to Measurement, Books 1-4 lesson plan can be found by using the following link~

43086: Key To Measurement Books 1-4Key To Measurement Books 1-4
By McGraw-Hill

This is an exceptional study book is a great aide to those who need to perfect their understanding in Measurements. Book 1 contains interesting and fun activities related to measuring length; Book 2 focuses on length, perimeter, and area measures; Book 3 develops further the concept of area and Book 4 covers a variety of measurement topics. This kit only contains Books 1-4; Answer Notes are available separately.

Disclosure: Some of the links in this post are “affiliate links.” This means we may garner a small commission at no cost to you if you choose to make a purchase. Read our full Affiliate Disclosure Statement for more information.
$6.95

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Key to Metric Measurement, Books 1-4 For Grades 6 - 10
More Info
The curriculum for this Key to Metric Measurement, Books 1-4 lesson plan can be found by using the following link~

53330: Key to Metric Measurement, Books 1-4Key to Metric Measurement, Books 1-4
By McGraw-Hill

This is an exceptional study book is a great aide to those who need to perfect their understanding in Metric Measurements. The only system used in international commerce and communication, and one becoming more and more prevalent in the U.S, it's becoming more and more important to have a firm grasp on the Metric system. Book 1 covers measurement units and estimation; Book 2 focuses on measuring length and perimeter using metric units; Book 3 is on finding area and volume Using Metric Units and Book 4 explores the metric units for mass, capacity, temperature and time. This kit only contains Books 1-4; Answer Notes are available separately.

Disclosure: Some of the links in this post are “affiliate links.” This means we may garner a small commission at no cost to you if you choose to make a purchase. Read our full Affiliate Disclosure Statement for more information.
$6.95

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Key to Percents, Books 1-3 For Grades 6 - 10
More Info
The curriculum for this Key to Percent, Books 1-3 lesson plan can be found by using the following link~

53089: Key To Percents Books 1-3

Key To Percents Books 1-3
By McGraw-Hill

Key to Percents first emphasizes mental computation and estimation skills--since most work with percents is done without pencil and paper. Then students are taught to solve percent problems using equal fractions and decimal multiplication. Finally, percents are used to solve word problems in a variety of applications. Key to Percents assumes only a knowledge of fraction and decimal computation. Book 1 covers Percent Concepts. Book 2 covers Percents and Fractions. Book 3 covers Percents and Decimals.

This kit contains only Books 1-3. Answer Notes and Tests are available separately.

Disclosure: Some of the links in this post are “affiliate links.” This means we may garner a small commission at no cost to you if you choose to make a purchase. Read our full Affiliate Disclosure Statement for more information.
$5.95

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