Mathematics-Session 1 Which situation can be represented by the equation \( 1 \frac{1}{4} \times 6=7 \frac{1}{2} \) ? A. It took Calvin \( 1 \frac{1}{4} \) hours to run 6 miles. He ran \( 7 \frac{1}{2} \) miles per hour. F. Sara read for \( 1 \frac{1}{4} \) hours every day for 6 days. She read for a total of \( 7 \frac{1}{2} \) hours. C. Matthew addressed \( 1 \frac{1}{4} \) envelopes in 6 minutes. Ho addressed \( 7 \frac{1}{2} \) envelopes per minute. D. It took Beth \( 1 \frac{1}{4} \) minutes to paint \( G \) feet of a board. She painted a total of \( 7 \frac{1}{2} \) feet of the board. \$ What are the key words in 3 that tell us it is multiplimation?
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Calvin's running scenario would certainly leave you running in circles! To translate this situation into multiplication, we look for phrases that suggest repeated actions or rates. In the equation, "It took Calvin \( 1 \frac{1}{4} \) hours to run 6 miles," the word "hours" indicates a *rate of speed*, which is key. Multiply the time spent by the number of sessions (miles) to find the total distance. In this context, the keywords in situation C might be "addressed" and "in 6 minutes." Here, "minutes" suggests a specific time duration, hinting you could be calculating how many envelopes he could address if he maintained that rate over a period of time. It brings the situation nicely into the realm of multiplication!
