Let's Be Rational - Investigation 1- Add/Subtract fractions

What is the least common denominator for 1/3 and 3/4?

• 6
• 4
• 3
• 12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator for 6/7 and 1/2?

• 12
• 14
• 7
• 6

Tags

CCSS.5.NF.A.1

What is the least common denominator you could use to subtract 1/6 and 1/4?

• 24
• 16
• 20
• 12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Simplify the fraction
15/20

• 5/10
• 3/4
• 2/3
• 1/5

Tags

CCSS.4.NF.A.1

CCSS.4.NF.A.2

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Fill in the blank in order to create an equivalent fraction.
1/2 = __ /8

• 2
• 4
• 6
• 8

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

• 1/12
• 1
• 2/35
• 23/25

Tags

CCSS.7.NS.A.1C

• 1 7/8
• 2 1/8
• 3
• 6 3/8

Tags

CCSS.7.NS.A.1C

Aden is helping his dad paint his house. They mixed 5/9 gallons of white paint and 1/6 gallons of blue paint. How many gallons was the mixture in all?

• 6/18 gallons
• 13/18 gallons
• 4/5 gallons
• 1/6 gallons

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1/2 + 1/3 + 1/5 = 

• 31/30
• 3/10
• 1/30
• These fractions cannot be added

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2