The bundle includes a whopping 253 pieces: 52 uppercase letters, 156 lowercase letters, 20 numbers, 14 math symbols, five cartoon refrigerator magnets, one double-sided magnetic writing board ...

Here are the relevant variables: the number of children (N), the distribution of the children's ages (C), the age of the Blue Wizard (A), and the bus number (B), which is what we are trying to find.

Felt School Bus Math Busy-Bag Activity. By Dyan Robson, And Next Comes L. Aug 25, 2014. ... Then the boys would roll the die, count out the corresponding number of windows, ...