If you were a times sign, you would multiply things. You could make more tricycle tires, alien eyes, or bunches of balloons. What else could you do if you were a times sign?

If you were a divided-by sign, you would divide things. You could divide pizza pies, presents, and stacks of cheese sandwiches. What else could you do if you were a divided-by sign?

Primary math concepts are introduced using creative examples, easy-to-understand text and art illustration.

Introduces the properties of a circle in mathematics and displays everyday items that are circles.

Describes the properties of quadrilaterals in mathematics, including squares and rectangles, and displays everyday items that are quadrilaterals.

Describes the properties of triangles in mathematics and everyday objects shaped like triangles.

If you were a minute, you would measure time. You could wake people up, end a race, or bake a tasty pizza. What else could you do if you were a minute?

If you were a quart or a liter, you would be the amount a container could hold. You could be a carton of ice cream, a jug of juice, or a can of motor oil. What else could you be if you were a quart or a liter?

If you were a pound or a kilogram, you would be the weight of things. You could be a sack of sugar, a basket of berries, or a heavy-duty truck. What else could you be if you were a pound or a kilogram?

Learn what numbers are not divisible by two.