Math Forum - Problems Library - Math Fundamentals, Operations with Numbers: Subtraction

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Subtraction
These problems require students to perform basic operations with numbers. Subtraction is central to solving the problems completely, though it may not be the only required operation.

Related Resources
Interactive resources from our Math Tools project:
   Math 4: Operations with Numbers
The closest match in our Ask Dr. Math archives:
   Elementary Subtraction
NCTM Standards:
   Number and Operations Standard for Grades 3-5

Access to these problems requires a Membership.

All Aboard! - Claire Mead
Math Fundamentals, difficulty level 3. How long will Sasha's train trip from Washington to Chicago take? ... more>>

Bobsled Sums - Bob and Claire Mead
Math Fundamentals, difficulty level 3. Find which men rode with driver number 1 on his four-man bobsled. ... more>>

Counting Cats and Dogs - Claire Mead
Math Fundamentals, difficulty level 2. How many students in Lin's school have both a dog and a cat? ... more>>

Count the Discount - Kristina Lasher
Math Fundamentals, difficulty level 3. The jacket on the clearance rack is marked down 20% more each day. How much will it cost after 5 days? ... more>>

A Dicey Situation - Claire Mead
Math Fundamentals, difficulty level 3. Determine the fairness of a game in which players score points according to the difference between the values of two rolled dice. ... more>>

Elevator Weigh-in - Kristina Lasher
Math Fundamentals, difficulty level 2. Would Melissa's family and neigbors exceed the maximum weight allowance of their apartment building elevator? If not, how many more would fit? ... more>>

Erika's Rock Collection - Elisabeth and Stephen Baseman and Chamberlain
Math Fundamentals, difficulty level 2. Find out how many rocks Erika has collected over the years. ... more>>

Heidi's Hometown - Claire Mead
Math Fundamentals, difficulty level 2. How many people lived in Heidi's hometown at the end of 2007? ... more>>

Holiday Shopping and Surfing - Lisa Lavelle
Math Fundamentals, difficulty level 2. Help Charlene calculate the change she'll have left for holiday card supplies after she completes her online shopping. ... more>>

How Old is Dad? - Claire Mead
Math Fundamentals, difficulty level 2. Use the clues to find out how old Dad is. ... more>>

How Old is Mia? - Claire Mead
Math Fundamentals, difficulty level 3. Use Mia's clues to find how old she is. ... more>>

It's Summer in Melbourne - Claire Mead
Math Fundamentals, difficulty level 2. How many hours of sunlight does Melbourne, Australia, have on its longest day of the year? ... more>>

Just the Facts * - Claire Mead
Math Fundamentals, difficulty level 3. It's not a good idea to guess in this game! Find out how many multiplication facts Zach got right. ... more>>

Math Club Field Trip - Claire Mead
Math Fundamentals, difficulty level 3. How many people returned from the Math Club field trip in Miss Noether's van? ... more>>

The Math Teacher's Ties - Brentwood College School - Math 12(1)
Math Fundamentals, difficulty level 3. Read the rhyme and determine the number of ties the math teacher has in his wardrobe. ... more>>

Missing Pages - Claire Mead
Math Fundamentals, difficulty level 2. Drew's math book is missing a page. What are the page numbers on the missing page? ... more>>

More Mowing Madness - George Miller and Lisa Lavelle
Math Fundamentals, difficulty level 4. Where should Matt and Georgette change places to evenly split their "Matt-mowing" work? ... more>>

Ms. Newton's Secret - Jeanne Fitzgerald
Math Fundamentals, difficulty level 2. Can you discover the secret of Ms. Newton's age? ... more>>

Pauline the Plumber - Claire Mead
Math Fundamentals, difficulty level 2. Use the clues to find out how many widgets Pauline purchased. ... more>>

Salad Daze * - Claire Mead
Math Fundamentals, difficulty level 3. How many students in Ashley's class put no tomato, carrot or cucumber on their salads? ... more>>

Sharing Smelt - Claire Mead
Math Fundamentals, difficulty level 3. Find out how many smelt Larry caught Saturday morning. ... more>>

Splish Splash - Lisa Lavelle
Math Fundamentals, difficulty level 3. Determine the ratio of my volume to T.J.'s volume. ... more>>

Sports Weigh In - Claire Mead
Math Fundamentals, difficulty level 3. Use three scale readings to find the weight of the soccer ball, the tennis ball, and the baseball. ... more>>

Subway Tokens - Annie Fetter and Claire Mead
Math Fundamentals, difficulty level 2. How did Samantha know the subway token machine didn't behave as advertised? ... more>>

Sundaes - Claire Mead
Math Fundamentals, difficulty level 3. How many children had no topping on their ice cream? ... more>>

Super Deal Salsa - Lisa Lavelle
Math Fundamentals, difficulty level 2. Determine how much money was saved by buying salsa in bulk. ... more>>

Toys To Go - Claire Mead
Math Fundamentals, difficulty level 2. Help Sam determine the sale price of scooters at the toy store. ... more>>

What a Move! - Lisa Lavelle
Math Fundamentals, difficulty level 3. Determine the number of hours it took the movers to move the Lavelles to their new home, as well as the number of man-hours. ... more>>

Wooden Legs - Claire Mead
Math Fundamentals, difficulty level 2. How many different ways can Wendy use 31 legs to build wooden dollhouse furniture? ... more>>

You Think Your Teacher is Tough!* - Claire Mead
Math Fundamentals, difficulty level 2. Use Mr. Garcia's scoring system to find out how many problems Tyler got correct on his test. ... more>>

Zoo Train - Claire Mead
Math Fundamentals, difficulty level 3. How many passengers boarded the zoo train? ... more>>

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