Multiplying Fractions by whole numbers

Front

What is a fraction?

Back

A fraction represents a part of a whole, consisting of a numerator (top number) and a denominator (bottom number).

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 taking that fraction and adding it to itself as many times as the whole number indicates.

Tags

CCSS.5.NF.B.4A

Front

What is the product of 3/5 and 3?

Back

9/5

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

How do you represent multiplying a whole number by a fraction using a model?

Back

You can use a visual model to show how many parts of the fraction are being taken, such as shading in parts of a shape.

Tags

CCSS.5.NF.B.4A

Front

If Mrs. Moscarello uses 1/5 pound of beef for each taco, how much beef does she 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 1/7 of 14?

Back

2

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

If three friends swim 3/10 of a mile each, how far do they swim in total?

Back

9/10 of a mile.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is the first step in multiplying a fraction by a whole number?

Back

Convert the whole number into a fraction by placing it over 1.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

How do you simplify the fraction 18/10?

Back

By dividing both the numerator and denominator by their greatest common divisor, which is 2, resulting in 9/5.

Front

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

Back

(a/b) x c = (a x c) / b, where a/b is the fraction and c is the whole number.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C