Explore decimals and fractions with your class. Click on Dynamo Den and then Clockwise. Student must put the correct time on the clock. Story problems to solve for grades 1-8. A variety of grade level puzzles created by teachers.
Students can pick from four levels of difficulty for making change.
Also good for illustrating fractions. Same as above, but harder. Practice your sums and make up problems for your partner. Challenge activities and activity sheets are included. A really tough math challenge.