Factoring shortcuts help students to quickly identify the prime factors (2,3,5,7, and 11) in a number of any size. Easy-to-use shortcuts promote confidence, speed, and accuracy in factoring numbers and working with fractions. Great for both classroom and homeschool. Grades 4-5.

This reference sheet is part of Understanding Fractions BUNDLE - Intro through Addition/Subtraction - Scaffolded, a multi-part scaffolded fractions curriculum, and is included in "Part 3 - Factors and Factoring."

Part 3, Factors and Factoring, can be used as part of a study of fractions, or as a stand-alone unit to improve understanding of numbers and math in general. When kids can take a number apart and put it back together again, they gain confidence in math skills.

"Understanding Fractions" is a curriculum designed especially for students who learn math best when it is presented in small increments, with plenty of practice on one concept before moving on to the next. Each concept is clearly explained step by step, with many examples. This scaffolded approach helps students develop solid math skills and confidence.

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Part 3 topics include:

Finding factors and prime factors of a number and understanding the difference;

Shortcuts to quickly find out if the prime numbers 2,3,5,7, and 11 are in a number of any size;

A detailed step-by-step color-coded section on factoring division. Includes worksheets, quizzes, and a test, along with answer keys.

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Part 3 requires knowledge of basic multiplication and division, and familiarity with long division which will help in understanding factoring division.

"Understanding Fractions" is presented in several parts which are available individually and as a bundle. Besides being used as a full curriculum, each part can stand alone as review or extra practice for particular topics. The following is a list of topics included in each part:

PART 1: (requires understanding of addition and subtraction)

Introduction to Fractions

Comparing simple fractions

Addition and Subtraction of simple fractions (with the same denominator)

(Parts 2-5 require understanding of multiplication and division)

PART 2:

Proper Fractions, Improper Fractions, and Mixed Numbers

Writing Whole Numbers as Fractions

Fractions on a Number Line

Changing Improper Fractions to Mixed Numbers

Changing Mixed Numbers to Improper Fractions

PART 3:

Factors and Factoring

Factoring Shortcuts

Factoring Division

PART 4:

Reducing Fractions

Equivalent Fractions

Lowest Common Denominators

Comparing Fractions with Different Denominators

PART 5:

Working with Fractions and Mixed Numbers

Addition and Subtraction of Fractions and Mixed Numbers

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