Dividing a Fraction and a Whole Number

Monica divided 1/2 of a gallon of ketchup equally into 4 smaller bottles to put on the tables in her hamburger restaurant. How much ketchup did she put in each bottle?

• 1/4 gallon

• 8 gallons

• 1/8 gallon

• 1/16 gallon

How do you divide fractions with whole numbers?

• Change the whole number to a fraction by having the denominator be 1. Keep the 1st fraction, change the sign to multiply, flip the 2nd fraction; simplify if needed

• Change the whole number to a fraction by dividing by 1, multiply the numerators and denominators

• Keep, Change, and Flip; simplify if needed

• Multiply numerators & Multiply denominators; simplify if needed

Javier has 2 pies that he wants to cut into sixths. How many 1/ 6 pieces will Javier have?

There is 1/3 of a pan of brownies left. Four children are going to share it equally. What fraction of the whole pan of brownies will each child get?

• 7

• 12

Janelle divides 3 pieces of paper into fifths. How many fifths does she have? What expression represents the situation above?

Answer explanation

Damian has a piece of string that is 3 feet long. He cuts it into pieces that are ¼ foot long. How many pieces does of string does he cut?

• 12 pieces

• 16 pieces

Danilsa has ½ cup of butter.  She pours the same amount into each of three popcorn cartons.  Which equation represents the fraction of the cup of butter, C, that is in each carton?

• 1/2 ÷ 1/3 = C

• 3 ÷ 1/2 = C

• 1/2 ÷ 3 = C

• 2 ÷ 3 = C

Which scenario can be represented by 10 ÷ ⅕ ?

• Franny has a piece of ribbon that is 10 inches long.  She cuts it into 5 pieces.

• Franny has a piece of ribbon that is 10 inches long.  She cuts it into pieces that are 1/5 in long.

• Franny has a piece of ribbon that is 1/5 inch long.  She cuts it into 10 pieces.

• Franny has 10 pieces of ribbon.  Each piece is 1/5 inch long.  

Isaiah wants to run 4 miles.  The track surrounding the field where he plays football is 1/5 mile long.  What equation could be used to find the number of laps, L, which Isaiah will need to run?

• 1/5 ÷ 4 = L

• 1/5 × 4 = L

• 4 × 1/5 = L

• 4 ÷ 1/5 = L