Drawing squares and rectangles with Pro-Bot

Drawing right angles with Pro-Bot

Measuring angles

Through this interactive exercise, you can revise measuring the angles with a protractor.

http://www.ezschool.com/Games/Angles.html

The basics of mental maths

Multiplying by 11, mentally

This short video shows a very easy trick to multiply 2-digit numbers by 11.  It also shows how to multiply 3-digit numbers by 11.  This is slightly more difficult, but with some practice it becomes easy as well.

How Do You Find All the Factors of a Number?

If you click on the link below, you can watch a video explaining how to find factors of a number.


How Do You Find All the Factors of a Number? -- Virtual Nerd can help