Multiplying Fractions Rules (Multiplication as Scaling)

Front

What is the result of multiplying a fraction by 1?

Back

The result is the same as the original fraction.

Tags

CCSS.5.NF.B.5B

Front

What happens when you multiply a fraction by a whole number greater than 1?

Back

The result is bigger than the original fraction.

Tags

CCSS.5.NF.B.5B

Front

What is the result of multiplying a fraction by a whole number less than 1?

Back

The result is smaller than the original fraction.

Tags

CCSS.5.NF.B.5B

Front

How do you multiply two fractions together?

Back

Multiply the numerators together and the denominators together.

Tags

CCSS.5.NF.B.6

Front

What is the product of 3/4 and 5/5?

Back

The product is 3/4, as multiplying by 5/5 is equivalent to multiplying by 1.

Tags

CCSS.5.NF.B.5B

Front

What does it mean to multiply fractions as scaling?

Back

It means adjusting the size of the fraction based on the multiplier.

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

Front

If you multiply 7/8 by 4/1, what can you say about the result?

Back

The result is bigger than 7/8.

Tags

CCSS.5.NF.B.5B

Front

What is the effect of multiplying a fraction by a fraction?

Back

The result is generally smaller than both fractions unless one of them is 1.

Tags

CCSS.5.NF.B.5B

Front

What is the product of 5/7 and 3?

Back

The product is bigger than 5/7.

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

Front

When multiplying fractions, what is the significance of the numerator?

Back

The numerator represents the number of parts being considered.

Tags

CCSS.5.NF.B.4A