MathVillage

Teaser and introduction goes here. Sample problem here.

Teaser and introduction goes here. Sample problem here.

Review writing expressions with addition, subtraction, multiplication, and division. Sample problem here.

If you know two figures are similar, how can you find the missing lengths for the second figure?. Sample problem here.

Use this applet to investigate the sum of angles in polygons. Is there a pattern? Can you predict the sum of the angles in a 20-sided polygon?

Mixed numbers can be converted into improper fractions and vice versa. Learn how here. $$3\frac{2}{5}\,=\,\frac{17}{5}\,\,\,\mbox{and}\,\,\,\frac{13}{7}\,=\,1\frac{6}{7}$$

Comparing several improper fractions and arranging them from least to greatest. $$\frac{15}{4}\,\,\,\,\,\frac{17}{6}\,\,\,\,\,\frac{11}{2}\,\,\,\,\,\frac{7}{3}$$

There are many ways to solve a proportion. This page shows you three methods. $$\frac{6}{9}\,=\,\frac{x}{12}$$

Learn how to add positive and negative integers. $$-5\,+\,-7\,\,\mbox{         }-12\,+\,(+4)$$