To solve this problem:

1. The teacher had 3 boxes of calculators, with 8 calculators in each box.

   • Total calculators:
     $3 \times 8 = 24$ calculators.

2. The teacher gave these calculators equally to 4 classes.

   • Calculators per class:
     $\frac{24}{4} = 6$ calculators per class.

Each class received 6 calculators.

Would you like further details or have any questions?

Here are 5 related questions:

1. How many calculators would each class receive if there were 6 classes instead of 4?
2. What if one of the classes needed 2 extra calculators, how many would the remaining 3 classes get?
3. If the teacher received another box with 10 calculators, how many would each class get now?
4. How many calculators are left if the teacher gave away 15 calculators instead of distributing to all classes?
5. If the teacher decided to give out 5 calculators to each class, how many would be left after all classes received theirs?

Tip: When solving word problems, break them down step-by-step to avoid confusion.