Multiply a fraction by a whole number

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 does it mean to multiply a fraction by a whole number?

Back

Multiplying a fraction by a whole number means you are finding that many parts of the fraction. For example, 3 x (1/4) means you have 3 parts of 1/4.

Tags

CCSS.5.NF.B.4A

Front

How do you multiply a fraction by a whole number?

Back

To multiply a fraction by a whole number, multiply the numerator of the fraction by the whole number and keep the denominator the same. For example, (2/3) x 4 = (2 x 4)/3 = 8/3.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is the result of 3/5 x 10?

Back

6

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

If you have 1/5 of a pound of beef for each taco, how much beef do you need for 24 tacos?

Back

4 4/5 pounds of beef.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is 1/4 of 100?

Back

25

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

If a dozen roses has 1/4 that are white, how many white roses are there?

Back

3 white roses.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is the formula for multiplying a fraction by a whole number?

Back

The formula is: (a/b) x c = (a x c)/b.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What does 'simplifying a fraction' mean?

Back

Simplifying a fraction means reducing it to its simplest form, where the numerator and denominator have no common factors other than 1.

Front

What is the mixed number for 8/3?

Back

2 2/3.