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Word Problems with Fractions. Mrs. Curia August 29, 2012. Fractions: Word Problems. Mrs. Curia is baking chocolate chip cookies for her students. The recipe calls for 2 ½ cups of flour. If she wants to double her recipe, how much flour will she need? QUESTION: What type of fraction is 2 ½?

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word problems with fractions

Word Problems with Fractions

Mrs. Curia

August 29, 2012

fractions word problems
Fractions: Word Problems

Mrs. Curia is baking chocolate chip cookies for her students. The recipe calls for 2 ½ cups of flour. If she wants to double her recipe, how much flour will she need?

QUESTION: What type of fraction is 2 ½?

ANSWER: Mixed Number

Step 1: Turn all mixed and whole numbers into improper fractions.

fractions word problems1
Fractions: Word Problems

Mrs. Curia is baking chocolate chip cookies for her students. The recipe calls for 2 ½ cups of flour. If she wants to double her recipe, how much flour will she need?

Step 2: Determine if you are multiplying or dividing.

In our case, we are doubling something, which means we’re multiplying by 2.

fractions word problems2
Fractions: Word Problems

Mrs. Curia is baking chocolate chip cookies for her students. The recipe calls for 2 ½ cups of flour. If she wants to double her recipe, how much flour will she need?

Step 3: SOLVE

fractions word problems3
Fractions: Word Problems

Try this one on your own:

Daniel read 3 ¼ chapters of The Hunger Games in 2 hours. At this rate, how many chapters can he read in 6 hours?

practice problem
Practice Problem

A woman has a tumor that grows 1 ½ mm every 3 months. How many mm will it be in 1 year

practice problem1
Practice Problem

Jenny can cut 2 ½ lawns per day. How many lawns can she cut in 5 days?

practice problem2
Practice Problem

Alex can paint one set of nails with ¼ bottle of nail polish. How many sets of nails can she paint with 3 bottles of nail polish?

practice problem3
Practice Problem

My dog, Pluto, eats ¾ cup of dog food for each meal. He eats 3 meals a day. How many cups of dog food do I go through in a week?

homework
Homework

Mrs. Curia is ordering pizza for 160 students. Each student wants 3 slices of pizza. Each pizza has 8 slices. Based on this information, please answer the following questions.

  • How many pizzas should Mrs. Curia order to make sure that each student gets 3 slices?
  • If 100 students want pepperoni pizza for all 3 slices, how many pepperoni pizzas should she order?
  • If 10 students were absent the day of the pizza party, how many slices of pizza did Mrs. Curia have left over?
  • If Mrs. Curia had 20 slices of pizza left over, how many students did not take part in the pizza party?
  • If Mrs. Curia ordered 2 vegetarian pizzas, how many students could have 3 slices of vegetarian pizza?