All real numbers have a spot on the number line. In this module, you can study the number line concept and learn how to put any number onto it in the right spot.
The number zero is an important part of the number line. Numbers to the left of zero are negative; numbers to the right are positive.
Study and practice
0.00 min addition (+), subtraction (-), multiply (x), divide (÷)
1.19 min decimal point
2.43 min C, CE and backspace
4.19 min square, square root & fractions
6.17 min percentage (%)