Multiplication and Division of fractions By Aj Egbert & Gavin Mulhaney

Chapter 7.1 multiplying fractions with whole numbers

Chapter 7.1

Review words prerequisite

0Compatible numbers

0Capacity0Mixed numbers0 Improper fraction

0Estimate the quotient.

0Round the fraction or mixed number.

Lesson one

0Step 1 the product 6 x 2/3 can be written As the sum 2/3 + 2/3 + 2/3 + 2/3 + 2/3 + 2/3.Shows that the sum is equal to 6x2/3.Step 2 Write a rule for multiplying a fraction by a whole number.

Chapter 7.2 multiplying Fractions

Lesson 2

Key Vocabulary factor , common factor , simplest form step 1 draw a three by five rectangle to model thirds and fifths. Each small is 1/15 of the whole. Step 2 shade 1/5 of the rectangle Step 3 select 2/3 shade rectangle.

Multiplying mixed numbers 7.3

0Key Vocabulary mixed numbers, improper fractions.

2 3/4 x 3 2/4 = 38 2/4

Dividing fractions 7.4

0Key vocabulary reciprocal skip switch flip¾ divided 2/12 = ¾ x 12/2= 36/8= 4 4/8

Dividing mixed numbers 7.5

0Key vocabulary compatible numbers, mixed numbers, and improper fraction

Dividing mixed numbers is very similar to multiplying mixed numbers. You just add one step—after changing the divisor into an improper fraction, you then find its reciprocal and multiply.

What was it about

0 It was about multiplying mixed numbers and fractions and dividing to. Chapter 7