Fraction multiplication review

What are the rules for multiplying a fraction by another fraction?

• Multiply the numerators together then multiply the denominators together

• Multiply the denominators by the numerators

• Add the fractions together then multiply

• Simplify both fractions then multiply by 8

What are the rules for multiplying two mixed numbers?

• Multiply the whole numbers only

• Multiply the fractions and the whole numbers

• Turn both fractions into improper fractions then multiply across

• Divide the fractions

What should you do to the whole number before you multiply by a fraction?

• Add 7 to the whole number then multiply

• Turn the whole number into a fraction by making the numerator and denominator the same digit

• Place a 3 under the whole number then multiply across

• Place a one under the whole number then multiply across

What happens to the product if it is multiplied by a fraction less than 1

• The product increases

• The product decreases

• The product stays the same

What happens to the product if it is multiplied by a number greater than 1 whole?

• The product stays the same

• The product increases

• The product decreases

What is 2/3 x 2/3 

• 4/9
• 2/3
• 4/3
• 4/6

Tags

CCSS.5.NF.B.6

Find the product. 

• 2/14
• 1/49
• 2/7
• 1/14

Tags

CCSS.5.NF.B.6

1/8  x  1/4  =

• 1/6
• 2/12
• 1/12
• 1/32

Tags

CCSS.5.NF.B.6

3/4 x 9

• 27/4
• 28/4
• 32/4
• 20/4

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Carolina planted seeds in a box that measured 7/8 meter long and  3/5 meter wide. What is the area of the garden box?

• 10/13 square meter
• 24/35 square meter
• 21/40 square meter
• 34/50 square meter

Tags

CCSS.5.NF.B.4B