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Big Ideas Math: Modeling Real Life, Grade 6

BI

Big Ideas Math: Modeling Real Life, Grade 6 View details

2. Using Tape Diagrams

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Exercise 6 Page 119

Rewrite the expression so that all of the numbers are fractions.

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Practice makes perfect

Before we evaluate the expression, let's first rewrite the expression so that all of the numbers are fractions.

2 13 * 3/4

a bc=a* c+b/c

2* 3+1/3 * 3/4

Multiply

6+1/3 * 3/4

Add terms

7/3 * 3/4

When we multiply fractions, we need to remember that the product of two fractions is equal to the product of the numerators divided by the product of the denominators. Let's find the given product!

7/3 * 3/4

Multiply fractions

7* 3/3* 4

Multiply

21/12

a/b=.a /3./.b /3.

21÷ 3/12÷ 3

Calculate quotient

7/4

The multiplication is 74. We can also write this fraction as a mixed number.

7/4

Write as a sum

4+3/4

Write as a sum of fractions

4/4+3/4

Calculate quotient

1+3/4

Add terms

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Subchapter links

Try It p.116-117

Self-Assessment for Concepts & Skills p.117

Self-Assessment for Problem Solving p.118

Review & Refresh p.119

Concepts, Skills, & Problem Solving p.119-120