Operations with Fractions and Decimals

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is a decimal?

Back

A decimal is a way of representing fractions using a point to separate the whole number from the fractional part, such as 0.75.

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, keep the denominator the same and add the numerators. For example, 1/4 + 2/4 = (1+2)/4 = 3/4.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, find a common denominator, convert the fractions, and then add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the process to multiply fractions?

Back

To multiply fractions, multiply the numerators together and the denominators together. For example, (1/2) * (3/4) = (1*3)/(2*4) = 3/8.

Tags

CCSS.5.NF.B.6

Front

How do you divide fractions?

Back

To divide fractions, multiply by the reciprocal of the second fraction. For example, (1/2) ÷ (3/4) = (1/2) * (4/3) = 4/6 = 2/3.

Tags

CCSS.6.NS.A.1

Front

What is the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width. For example, if a rectangle is 5 inches long and 3 inches wide, its area is 5 * 3 = 15 square inches.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, 1/4 = 1 ÷ 4 = 0.25.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

What is the value of 8.5 + 4.3?

Back

The value of 8.5 + 4.3 is 12.8.

Tags

CCSS.6.NS.B.3

Front

What is the value of 16.5 ÷ 2?

Back

The value of 16.5 ÷ 2 is 8.25.

Tags

CCSS.5.NBT.B.7