Fractions Mystery

The Mystery of the Missing Food

A Fractions Adventure

Click the spyglass to begin!

Oh no! When you arrived at school today, you saw that some of the food for your class party that afternoon had been stolen! The party is quickly approaching and you don’t want your classmates to be disappointed. Solve the fraction problems to receive clues about the crime. It’s up to you to solve the case and find the missing food before it’s too late. Your classmates are counting on you!

Click the spyglass to continue!

You will be asked to solve a variety of fraction problems. There will be answer choices for each problem. If you need help solving a problem, click on the Teacher’s Desk. When you have solved the problem, click on the answer choice that matches your answer. If you are correct, you will be given a clue about the crime. If your answer is incorrect, you must try the problem again. Be sure to use your notebook to write down the clues so that you can solve the mystery. Remember, your classmates are counting on you!

Click the spyglass to begin your adventure!

Instructions

Problem # 1

What fraction names the shaded portion of the polygon?

a) 1/8

b) 1/3

c) 4/6

d) 2/3

Welcome to the Teacher’s Desk!Click on the links below for more information.

• Understanding Fractions• Comparing Fractions• Changing Fractions to Percents and Decimals• Adding and Subtracting Fractions• Adding and Subtracting Mixed Numbers• Word Problem Strategies

Click on the problem to return.

#1 #2 #3 #4 #5

#6 #7 #8 #9 #10

http://www.kidsolr.com/math/fractions.html

http://www.math.com/school/subject1/lessons/S1U4L3GL.html

http://www.math.com/school/subject1/lessons/S1U4L6GL.html

http://www.mathstories.com/strategies.htm

Great job! Your first clue is a list of suspects.

• Ms. Shirls - the night custodian• Mrs. Groover - the principal• Mr. Bolles - the assistant principal• Ms. Fattore - your teacher• Ms. Spencer - the teacher across the hall

Click on the spyglass for Problem #2.

Try again!

Click on the spyglass to return to Problem #1.

Problem #2

Place these fractions in order from least to greatest.

1/2 2/3 2/6 2/9

a) 1/2, 2/6, 2/9, 2/3

b) 1/2, 2/3, 2/6, 2/9

c) 2/9, 2/6, 1/2, 2/3

d) 2/6, 2/3, 1/2, 2/9

Try again!


• two bags of M&Ms• a package of Oreos• brownies• three bags of Hershey’s Kisses

Great job!Your second clue is a list of the missing

food.


Problem #3

Change this fraction into a decimal and percent.

3/5

a) 0.6, 60%

b) 0.35, 45%

c) 3.5, 35%

d) 6, 6%

Try again!


Great job!Here is your third clue.

Ms. Spencer’s car was seen at the school late last night.


Problem #4

5/6 + 2/6 = m

a) m=3/6

b) m=7/6

c) m=7/12

d) m=1 1/6

Try again!


Great job!Here is your fourth clue.

Ms. Shirls called in sick last night.


Problem #5

1/3 + 2/8 = k

Make sure your answer is in simplest form.

a) k=3/11

b) k=7/12

c) k=14/24

d) k=2/24

Try again!


Great job!Here is your fifth clue.

Ms. Shirls, Mr. Bolles, Ms. Fattore, and Ms. Spencer love chocolate.


Problem #6

5/7 - 1/2 = w


a) w=4/5

b) w=17/14

c) w=3/14

d) w=5/7

Try again!


Great job!Here is your sixth clue.

Mrs. Groover is allergic to chocolate.


Problem #7

2 2/5 + 1 3/4 = m


a) m= 4 3/20

b) m=3 5/9

c) m=3 23/20

d) m = 12/5

Try again!


Great job!Here is your seventh clue.

Mrs. Groover, Mr. Bolles, Ms. Shirls, and Ms. Fattore have keys to your

classroom.


Problem #8

5 1/6 - 2 1/2 = s

a) s= 2 8/12

b) s=7 2/3

c) s=3 1/4

d) s=2 2/3

Try again!


Great job!Here is your eighth clue.

All the food left behind contained peanuts.


Problem #9

Ms. Fattore ordered pizza for the class. She ordered five pizzas. Each pizza is cut into eight pieces. There are seven fifth grade teachers. There are 24 students in your class. How much pizza will each student be allowed to eat? (Remember to simplify!)

a) 1 2/3 pieces

b) 1 11/24 pieces

c) 1 16/24 pieces

d) 2 pieces

Try again!


Great job!Here is your ninth clue.

Ms. Fattore lost her classroom key and has to have a custodian open her door.


Problem #10

Your parents give you and your brother allowances. Since you are older and complete more of the chores, they give you 2/3 of the allowance money. Your parents spend $15.00 a week on allowances. How much money would you receive in a month? (Remember to solve one step of the problem at a time. Think about how many weeks are in a month.)

a) $10.00

b) $20.00

c) $15.20

d) $40.00

Try again!


Great job!Here is your tenth and final clue.

Mr. Bolles is allergic to peanuts.

Click on the spyglass to solve the crime.

Excellent work, Detective!

You have correctly solved all ten fractions problems. It is time to guess who stole the food. Click on your guess below.

Ms. Shirls - the night custodianMrs. Groover - the principalMr. Bolles - the assistant principalMs. Fattore - your teacherMs. Spencer - the teacher across the hall

Try again!

Look back over your clues and try again!

Congratulations!!!!!You have solved The Mystery of the Missing Food. Mr. Bolles was having a party at his house last night and forgot to buy food for it. He had seen lots of goodies coming in for Ms. Fattore’s class and decided to borrow some of his favorites. When you confront him, he leads you to his office where you see replacement food waiting. He promises to buy your class pizza for lunch to make up for his mistake. The party is going to be great!

Click the spyglass to return to the beginning.

Education

Fractions Mystery