CK-12 Foundation
Ck 12: Elem Math: Maximum or Minimum Possible Value of a Rounded Decimal
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are told the number of digits after a decimal point and the decimal's value when rounded. They must identify the maximum and the...
AAA Math
Aaa Math: Estimation
Improve your estimation and rounding skills with these interactive games that are challenging and fun. Excellent skills practice for rounding, estimating sums and differences, and front-end estimation. Links to lesson plans, teacher...
E-learning for Kids
E Learning for Kids: Math: Hamburger Restaurant: Operations With Money
On this interactive site students learn to round numbers to the nearest ten thousand, determine the place value of any digit, and use ordinal numbers.
Hopelink
Hopelink: Teaching Percentages
Students can brush up on percentage skills with this lesson and calculate percentages using the "Percent Tricks method." For students to successfully use this method, they must have the ability to multiply and divide whole numbers.
The Math League
The Math League: Fractions
This tutorial covers all types of fractions with simple explanations on how to work with them.