Numbers don't just stop at zero. When you count backwards from zero, you go into negative numbers. Positive numbers are more than zero: 1, 2, 3, 4, 5, etc. Negative ...

Whole numbers are either odd or even. Our 2 tree dwellers will help explain. Bring on the bananas. If we share an even number of bananas between our 2 swingers. They'll have the same number of ...