5.1.2 Fraction Busters review

In our lesson this week, we learned that we can eliminate fractions by doing what?

• Multiply by any number

• Multiply on one side of the equation

• Divide on one side of the equation

• Multiply by a common denominator on both sides

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.4

CCSS.6.EE.B.7

What would you multiply by to eliminate this fraction?

• 5

• 6

• 4

• x

Tags

CCSS.7.EE.A.1

CCSS.7.NS.A.2

What would you multiply by to eliminate this fraction?

• 3

• 5

• x

• 12

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.NS.A.2

CCSS.7.NS.A.3

What is the common denominator in this equation?

• b

• 3

• 6

• 2

Tags

CCSS.6.NS.A.1

What is the common denominator in this equation?

• 5

• 10

• 3

• w

Tags

CCSS.6.NS.A.1

What is the "best" first step when using Fraction Busters?

• Multiply EVERYTHING by x

• Multiply EVERYTHING by 3x

• Multiply EVERYTHING by 3

• Multiply EVERYTHING by 2

Answer explanation

The "best" first step is to multiply by the smallest denominator first.

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

• 24
• -4
• 33
• 15

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Solve for the value of x.

• 3/5

• 15/7

• -7/15

• 5/3

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Solve for x

• x=4

• x=-4

• x=24

• x=-24

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Solve for x:

• x=1

• x=3

• x=15

• x=6

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7