Arithmetic

Simple rhyming text and color photographs describe addition.

Simple rhyming text and color photographs describe subtraction.

Hopping on the number line represents addition and subtraction using a number line.

Plus 0, Minus 0, teaches the concept that adding or subtracting 0 does not change the qua...

Plus 2, Minus 2 Relates Counting By 2 To Addition And Subtraction.

Who's right, addition or multiplication? Teaches the relationship between adding and mult...

Sir Cumference and Lady Di have to figure out a quick way to count the guests to bring or...