Other
Society for Industrial and Applied Mathematics: Moody's Mega Math Challenge
An annual Internet-based high school competition in applied mathematics is sponsored by Moody's Foundation. The Challenge brings together high school teams of three to five players who work on a realistic problem solving situation. The...
Maths Challenge
Maths challenge.net: Right Time
You will need to do some visualizing to solve this "Right Time" problem. Have fun!
National Council of Teachers of Mathematics
Nctm: Figure This: Line Up!
Take the math challenge. Can you figure out how long you have to wait in line to buy a ticket? An estimation and time measurement challenge from the NCTM Math Challenges for Families collection. Based on real-world themes and...
CK-12 Foundation
Ck 12: Elem Math: Time Challenge Word Problems
[Free Registration/Login may be required to access all resource tools.] In this learning module, students must solve word problems involving elapsed time. The process is demonstrated in the accompanying video. [1:41] A set of practice...
CK-12 Foundation
Ck 12: Elem Math: Addition and Subtraction Time Challenge Word Problems
[Free Registration/Login may be required to access all resource tools.] A video and practice questions on word problems involving intervals of time. [0:44]
National Council of Teachers of Mathematics
Nctm: Figure This: How Much Time Do Teens Spend on the Job?
Try this math challenge where you investigate the average number of hours teen actually spend working. Apply your problem solving, number sense, and computation skills in this one page activity from the NCTM Math Challenges for Families...
National Council of Teachers of Mathematics
Nctm: Figure This: Beating Heart
Do you know how long it takes your heart to beat 100 times? Test your estimation and number sense skills with this problem-solving challenge. A one-page activity taken from the NCTM Math Challenges for Families Collection. Hints and...
National Council of Teachers of Mathematics
Nctm: Figure This: Double or Not
Is "time money"? See if you can figure out exactly how much your time is worth. Explore the concepts of number patterns, time, and money in this one-page activity from the NCTM Math Challenge for Families series. Find out why mastering...
CK-12 Foundation
Ck 12: Elem Math: Solving Length and Distance Word Problems Involving Time
[Free Registration/Login may be required to access all resource tools.] A learning module where students must solve challenging word problems involving length or distance, time, and speed. A video shows how to solve a sample problem....
PBS
Pbs: Split Time: Real World Rate
Dan has to run on a different track in the winter, how can he figure out his split time for the smaller track? This interactive exercise focuses on using what you know about ratios to calculate the correct split time for the different...
National Council of Teachers of Mathematics
Nctm: Figure This: Tan, Don't Burn
How about a math challenge for a sunny day at the beach? Apply your problem solving, number sense, and logical reasoning skills to find out how long it would take Helix to get sunburned using SPF 10 lotion. Discover why understanding...
National Council of Teachers of Mathematics
Nctm: Figure This: Drip Drops
Figure out how much water you waste in a week in this exploration using your problem solving, measurement, and estimation skills. This activity is from the NCTM Math Challenges for Families series.
Teaching Treasures Publications
Teaching Treasures: Year One Timed Mental Math (Page 2)
Learners are challenged to solve ten addition or subtraction problems in less than five minutes using this interactive worksheet. Immediate feedback is given.
University of Cambridge
University of Cambridge: Nrich: A Rod and a Pole
At this one page website work on this challenge using your very best problem solving skills to find a reasonable answer. Actually, there are a number of solutions. When you find yours check the website to see the solutions already listed.
Shodor Education Foundation
Shodor Interactivate: Arithmetic Four
You can challenge a friend to play this game to practice your arithmetic skills. Be ready because any kind of problem can pop up. You can adjust the problems to make them harder and also to give you less time.