Mental Math Fractions

What is 1/4 of 20

• 6

• 3

• 4

• 5

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

15/40 is bigger than 34/40

• True

• False

Tags

CCSS.3.NF.A.3D

I ate one slice of pizza. The pizza was divided into 8 pieces. What fraction of the pizza did I eat?

• 1/2

• 1/4

• 1/8

• 1/10

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

Saba had 3 pens. She gave one to Rose. What fraction of her pens did Saba give away?

• 1/3

• 1/2

• 1/5

• 1/10

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Is two-third a fraction?

• Yes

• No

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the fraction of the shaded area of the shape?

• 4/8

• 1/8

• 1/4

Tags

CCSS.3.G.A.2

What is the fraction of the non- shaded area?

• 1/6

• 7/8

• 5/6

Tags

CCSS.1.G.A.3

A book has 8 chapters of equal length. Mary read 3 chapters. What fraction of book does Mary have left to read?

• 3/8

• 8/3

• 5/8

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Write the fractions in descending order

11/12, 8/12, 10/12, 5/12

• 11/12 10/12 8/12

• 11/12, 10/12, 8/12, 5/12

• 5/12, 8/12, 10/12, 11/12

Tags

CCSS.3.NF.A.3D

There are 28 mangoes. Riya ate 1/7^th of them. How many mangoes she ate?

• 4

• 7

• 6

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C