Adding and Subtracting Fractions with Like Denominators

What does the denominator in a fraction tell us?

• The value of each part

• How many parts the whole is divided into

• The number of parts we have

• The total number of parts needed

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How is a number line divided when working with fractions?

• Only into halves and quarters

• Equally, according to the denominator

• Randomly, to best fit the fractions

• Into parts based on the numerator

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

If you have 1/8 and you add 2/8, what is the result?

• 2/8

• 1/8

• 3/8

• 4/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the first step in adding fractions on a number line?

• Drawing the number line

• Adding the numerators

• Counting forward the number of parts

• Identifying the denominator

Tags

CCSS.4.NF.B.3A

Adding 2/6 and 3/6 gives us?

• 5/12

• 1

• 5/6

• 1/2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the result of subtracting 2/6 from 5/6?

• 3/6

• 2/6

• 7/6

• 1/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

When subtracting fractions, what direction do we move on the number line?

• Backward

• Upward

• Forward

• We do not move

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Subtracting 4/8 from 6/8 results in?

• 2/8

• 1/2

• 10/8

• 1/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Why is it important to understand fractions on a number line?

• Both A and C

• It helps in visualizing the concept of fractions

• It is the only way to solve fractions

• It makes fractions easier to add and subtract

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B