12/21 Demonstration of Learning Grade 5

Which expression is best represented by this shaded model?

Ally purchased 1/2 gallon of ice cream for a birthday party. After each of the 14 guests received an equal serving of this ice cream, there was no ice cream left over. Which expression can be used to determine what fraction of ice cream each guest received?

• x14 1/2

• x2 1/2

• 2 1/2 ÷

• 14 1/2 ÷

Kaylee has 1/2 of a roll of ribbon. She is wrapping 5 presents using all of the ribbon. Kaylee uses the same amount of ribbon for each present. Which fraction model shows the amount of ribbon she will use for one present?

Wanda has 1/5 of a cake left from a party. She plans to eat the remaining cake over 3 days. Wanda plans to eat the same amount of cake each of the 3 days. Which of the following expressions can be used to determine how much of the whole cake Wanda will eat each day?

• x3 1/5

• 3 3/5 ÷

• 3 1/5 ÷

• x3 3/15

Cooper has a gallon of milk to share with himself and 8 friends. Represent 1/3 how much milk each friend will drink. Draw a model to represent the story. Write an expression to represent the story.