If You Were a Plus Sign (Math Fun)
If you were a plus sign, you would add things together. You could add people and animals. You could add up and down or side to side. What else could you do if you were a plus sign?
If You Were a Minus Sign (Math Fun)
What If Everybody Did That?
The Mission of Addition (Math Is CATegorical ®)
The Action of Subtraction (Math Is CATegorical ®)
Fox in Socks (Beginner Books(R))
Frog and Toad Are Friends (Frog and Toad I Can Read Stories Book 1)
Ten Black Dots
The Grapes of Math
Zero the Hero