Adding Fractions with Like Denominators

What is the first step in adding fractions with the same denominator?

• Find the greatest common factor

• Multiply the denominators

• Divide the numerators

• Add the numerators

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

What is the simplified form of 10/15?

• 3/5

• 5/15

• 1/2

• 2/3

How do you simplify a fraction?

• By adding the numerator and denominator

• By dividing both by their greatest common factor

• By multiplying both by the same number

• By subtracting the denominator from the numerator

What is the denominator in the sum of 3/15 and 7/15?

• 20

• 15

• 22

• 10

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

Why do we split the candy bar into 15 sections?

• To simplify the fraction

• To find the greatest common factor

• To visually represent the fractions being added

• To change the denominator

What does each section of the candy bar represent?

• 1/3

• 1/10

• 1/5

• 1/15

Tags

CCSS.3.NF.A.2A

CCSS.3.NF.A.1

How many sections are colored to represent 3/15?

• Fifteen

• Three

• Ten

• Seven

Tags

CCSS.3.NF.A.2B

CCSS.3.NF.A.1

After adding 3/15 and 7/15, how many sections are colored?

• Three

• Seven

• Ten

• Fifteen

Tags

CCSS.4.NF.B.3A

What visual representation is used to explain the concept of fractions?

• A number line

• A pie chart

• A bar graph

• A candy bar

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How is 2/3 represented in the candy bar analogy?

• Two out of ten sections are colored

• Two out of three sections are colored

• Three out of fifteen sections are colored

• Two out of fifteen sections are colored

Tags

CCSS.3.NF.A.2B

CCSS.3.NF.A.1