Worked examples
Two examples
Example 1
A case holds 24 cans. How many cans are in 15 cases? Which calculation answers it?
- The same amount, 24, fifteen times over: multiply.
Answer: 24 × 15
Example 2
Three roommates split a rent of $2,250 equally. How much does each pay? Which calculation answers it?
- Sharing a total equally: divide.
Answer: 2,250 ÷ 3
Where this is taught: Quizzes 3, 4 and 5, on the four operations, starting with Quiz 3
The drill
Ten problems
How many:
Tap your answer to each one, then press Check my answers at the bottom.Circle your answer to each one. The answer key, with the reasoning, is on the last page.