Fraction Addition and Subtraction Estimation

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

When can you only perform addition and subtraction of fractions?

• when all the denominators are the same

• whenever I want to

• when all the numerators are the same

• when the class is over

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the LCD of 1/2, 1/3 and 1/4?

• 12

• 4

• 6

• 24

What is the LCD of 2/3 and 3/15?

• 3

• 15

• 2

• 5

Find the sum of 2/5 and 3/5 in the simplest form.

• 5/10

• 2/10

• 1

• 1 1/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of 3/4 and 3/6 in the simplest form?

• 1 1/4

• 6/24

• 6/10

• 3/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the difference of 5/6 and 3/4 in simplest form?

• 1/12

• 2/2

• 1

• 4/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 1/12
• 1
• 2/35
• 23/25

Tags

CCSS.7.NS.A.1C