To identify the operations used to solve each of the scenarios given:
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Six adult tickets to a movie at the theater cost $52.50. Find the price of one ticket.
- Operation: Division (to find the cost of one ticket)
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Driving at an average speed of 52 miles per hour, how long will it take someone to complete a 390-mile road trip?
- Operation: Division (to find time, using the formula time = distance/speed)
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After falling 23-degrees, the temperature is now 51-degrees. What was the starting temperature?
- Operation: Addition (to find the original temperature, since you add back the degrees fallen)
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Katie has 79 more envelopes to stamp before she can send off her wedding invitations. If she is sending 234 invitations in all, how many has she stamped so far?
- Operation: Subtraction (to find out how many envelopes she has stamped, you subtract the number left from the total)
You can summarize the operations as follows:
- Division
- Division
- Addition
- Subtraction