MathVillage

This applet provides practice for sorting a set of fractions, decimals, and percents in order from least to greatest.

Practice locating decimals on a number line.

Learn how to compare decimals and arrange them from least to greatest. Sample: $$3.138\,<\, 3.14$$

What are vertical angles? This applet shows you.

A different demonstration of why the sum of the angles in a triangle is always 180°.

What is the sum of the angles in ANY triangle?

What are supplementary angles? Use this applet to find out.

Practice using a protractor with this applet.

A triangle is sitting on a line. Find the missing angles. Sample:

Find the missing complementary angle.