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Activity
Math Is Fun

Math Is Fun: Word Questions: Elementary Subtraction

For Students Pre-K - 1st Standards
Simple word problems challenge your subtraction skills. If you get stuck, use the clues and the number line for help.
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Unit Plan
Khan Academy

Khan Academy: Addition and Subtraction Word Problems 2

For Students K - 1st Standards
Practice solving more challenging word problems with addition and subtraction. Numbers used are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Challenging Multi Step Money Problems

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to solve multi-step word problems involving money. Includes video demonstrating a sample problem [1:26] and a set of...
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Lesson Plan
PBS

Pbs Learning Media: Math + Arts: Jack & the Giants and the Math Challenge

For Teachers K - 1st Standards
In this lesson, students create and solve a word problem related to counting money, develop a script for a short scene, and perform it using the elements of performance. Teacher resources are provided.
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Website
Math Playground

Math Playground: Problem Solving Videos

For Students 6th - 8th
"Rated 'M' for middle school," Math TV invites you to tune in each week for videos of word problems being solved. Back episodes are available in subjects such as percentages, number sense, and fractions. Watch a problem worked out, then...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 20 Tickets

For Teachers 1st - 2nd Standards
Students are given a word problem with multiple solutions. They are challenged to solve the problem using manipulatives, to draw a picture to represent their work, and possibly record their responses using equations. Examples of...
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Website
Math TV

Weekly Math Tv Problem Solving Videos

For Students 3rd - 8th
This resource offers two different topic problems per week for students to solve. A video showing the method to solve each problem is given. After viewing a solution method for solving the problem try one on your own where you can only...
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Unit Plan
Khan Academy

Khan Academy: Pythagorean Theorem Challenge

For Students 7th - 8th Standards
In this exercise, students practice using the Pythagorean Theorem in word problems. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.
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Website
Maths Challenge

Maths challenge.net: Problem Solving Database

For Teachers 9th - 10th Standards
Need some challenging problem-solving work for your students in the following areas: Discrete, Geometry, Numbers, and Code Breaking? This is the place for an enormous database of problems aimed at high school age students. They are...
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Unit Plan
Khan Academy

Khan Academy: Whole Number Place Value Challenge

For Students 3rd - 5th Standards
Practice problems to challenge your understanding of whole number place value Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Website
Other

Problems in the Points Contest of Ko Mal

For Students 9th - 10th
Learn about the annual KoMal competition in mathematics, physics, and information technology, and challenge your ability to solve problems involving advanced algebra, logic, and other related topics through the tests provided at this site.
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Unknown Type
CK-12 Foundation

Ck 12: Elem Math: Total Length Challenge Problems (Grade 4)

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A practice quiz where students must solve multi-step problems about elapsed length and distance.
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Unit Plan
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Khan Academy

Khan Academy: Area Challenge

For Students 5th - 7th Standards
Practice solving problems involving triangles, parallelograms, and composite figures. Exercises include decimals, fractions, and word problems. Area of circles is not included. Students receive immediate feedback and have the opportunity...
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Interactive
Fundación Cientec

Cientec: Juegos Cooperativos

For Students 3rd - 8th
A small collection of 20 or so math brain teasers and word problems, in Spanish. Challenging for younger students -- they use math skills up to multiplication.
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Math Challenges for Families

For Students 9th - 10th
NCTM offers sections on Families & School, Families & Math, Families & Homework, and more. Has links to brain-teaser problems ranging in skill from very easy to challenging. Click Take a Challenge or Challenge Index for...
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Activity
National Council of Teachers of Mathematics

Nctm: Thats Interesting

For Students 9th - 10th
Read this word problem and solve the questions that follow. An extra challenge and an answer check are also provided.
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Unknown Type
Khan Academy

Khan Academy: Scientific Notation Challenge

For Students 7th - 9th Standards
Practice solving more challenging problems involving scientific notation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
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Unknown Type
Khan Academy

Khan Academy: Pythagorean Theorem Challenge

For Students 9th - 10th
Solve real-world problems that can be modeled by right triangles, using the Pythagorean Theorem!
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Activity
CK-12 Foundation

Ck 12: Trigonometry Word Problems

For Students 9th - 10th
[Free Registration/Login Required] Students will determine the angle of depression using a diagram with a helicopter. Click learn more to watch a video and click challenge me to answer a practice question.
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Unit Plan
PBS

Pbs: Modeling Fraction Multiplication With Equal Groups

For Students 3rd - 8th Standards
This video presents a visual model for solving a word problem involving the multiplication of fractions. The problem asks students to use the amount of bamboo that a panda eats in an hour to determine how much he eats in a quarter of an...
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Unknown Type
Khan Academy

Khan Academy: Square and Cube Challenge

For Students 7th - 8th Standards
Practice solving problems using your knowledge of square and cube roots. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
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Website
National Council of Teachers of Mathematics

The Math Forum: Famous Problems in the History of Mathematics

For Students 9th - 10th
On this site, there are several math problems to explore and solve. Look through some solutions by famous mathematicians and expand your thinking about some interesting math concepts. Teachers of elementary grades may want to use this...
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Activity
Scholastic

Scholastic: Max's Math Adventures: Good Bye Training Wheels!

For Teachers 3rd - 5th
Take a bike ride with Max and add up the miles he has traveled. Use the teacher's guide, activity sheet, and extra challenges to create an engaging learning experience!
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Activity
Scholastic

Scholastic: Max's Math Adventures: Farmer Fred's Counting Farm

For Teachers 3rd - 5th
Add and rhyme with Farmer Fred, then use the activity sheet to work through some more farm addition. The teacher's guide and extra challenges will be helpful in lesson planning.