This Math Concept Book Engages Young Readers Through Simple Text And Photos As They Learn How Groups Change When You Add 1 Or Take Away 1.
Plus 0, Minus 0, teaches the concept that adding or subtracting 0 does not change the quantity of a set of objects.
Plus 2, Minus 2 Relates Counting By 2 To Addition And Subtraction.
Who's right, addition or multiplication? Teaches the relationship between adding and multiplication.
Teaches young students about the concept of a calendar and how to use a calendar.