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

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 subtract fractions with different denominators?

Back

To subtract fractions with different denominators, first find a common denominator, convert the fractions, then subtract the numerators. For example, 1/3 - 1/6 = 2/6 - 1/6 = 1/6.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is a decimal?

Back

A decimal is a way of representing fractions using a base 10 system, indicated by a decimal point. For example, 0.5 represents 1/2.

Tags

CCSS.4.NF.C.6

Front

How do you 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. Area = length × width.

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 relationship between fractions and decimals?

Back

Fractions and decimals are two ways to represent the same value. For example, 1/2 is equivalent to 0.5.

Front

How do you find the total earnings from hourly wages?

Back

To find total earnings, multiply the number of hours worked by the hourly wage. For example, if you work 10 hours at $15/hour, total earnings = 10 * 15 = $150.

Tags

CCSS.7.EE.B.3