Multiply and Divide Rational Numbers

What is 3/8 of 5?

• 1 7/8

• 2 1/2

• 1 3/4

• 2 3/8

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Divide 3 1/4 yards into groups of 1/3. The answer is __________.

Tags

CCSS.6.NS.A.1

Juanita has 1 3/4 yards of fabric. She will need 0.5 of a yard to make each curtain. How many curtain panels can she make with 1 3/4 yards of fabric?

• 2

• 3

• 4

• 5

Tags

CCSS.6.NS.A.1

If you have 54.75 meters of ribbon and you cut it into pieces of 0.75 meters each, how many pieces will you have?

• 72

• 73

• 74

• 75

Tags

CCSS.6.NS.B.3

True or false: The product of 1/2 and 3/4 is less than 1/2.

• True

• False

Tags

CCSS.5.NF.B.5B

What is the reciprocal (multiplicative inverse) of 2/3?

• 3/2

• 2/3

• 1/3

• 1/2

If you divide a number by a fraction, what operation can you use instead?

• Multiply by the reciprocal of the fraction

• Add the fraction

• Subtract the fraction

• Divide by the reciprocal of the fraction

How many pieces of wrapping paper measuring 1 3/10 meters in length can Elijah cut from a roll that is 163.15 meters long?

• 125

• 130

• 115

• 100

Tags

CCSS.7.EE.B.3

Sam used 1.85 kilograms of glitter making crafts at school. If all 18 of his classmates used the same amount, how much glitter did they use in total?

• 33.3 kg

• 18.85 kg

• 33.30 kg

• 20.85 kg

Tags

CCSS.6.NS.B.3

If you multiply two fractions, such as 3/8 and 2/3, what is the first step?

• Multiply the numerators and denominators

• Add the numerators

• Subtract the denominators

• Divide the numerators

Tags

CCSS.5.NF.B.6