Khan Academy
Khan Academy: Challenge Problems: Radius & Tangent
Solve two challenging problems that apply properties of tangents to find the radius of a circle with a tangent.
Khan Academy
Khan Academy: Challenge Problems: Circumscribing Shapes
Solve two challenging problems that apply properties of tangents to find the perimeter of a circumscribing shape.
![Nwt Literacy Council: What's the Problem? [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Nwt Literacy Council: What's the Problem? [Pdf] Activity")
NWT Literacy Council
Nwt Literacy Council: What's the Problem? [Pdf]
Adult learners are a challenging group to reach when teaching basic mathematical skills. This guide presents ideas and worksheets for teaching them how to solve word problems.
National Council of Teachers of Mathematics
The Math Forum: Famous Problems in the History of Mathematics
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...
Better Lesson
Better Lesson: Area Word Problems Days 1 & 2
Area word problems using a real world context pose new mathematical challenges for students to negotiate.
PBS
Pbs: Modeling Fraction Multiplication With Equal Groups
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...
Fundación Cientec
Cientec: Juegos Cooperativos
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.
PBS
Pbs: Modeling Fraction Division Using Comparison, Group Size Unknown
This video illustrates a visual model for solving a word problem involving the division of fractions. The problem asks students to determine the length of a losing frog's jump in a jumping frog contest based on a comparison with the...
PBS
Pbs: Modeling Fraction Division Using Arrays
This video illustrates a visual model for solving a word problem involving the division of fractions. The problem asks students to determine the width of a rectangular platypus burrow based on its length and area. In the accompanying...
Discovering Egypt
Discovering Ancient Egypt: Egyptian Mathematics Numbers Hieroglyphs
Challenge yourself and see if you can solve these math problems using Egyptian hieroglyphics. Egyptians excelled in mathematics and this lesson will help you understand hieroglyphic numbers. A podcast is included that explains the Rhind...
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...