Math Quick check Choose 1 correct answer per question

Question

1. Which scenario about books represents finding the difference?
a. finding the total number of books in a store when new books arrive

b. finding the number of books remaining after a sale on books
c. finding the location of a book in a store
d. finding the type of books in a store

2. The temperature on Monday is −4°C
. On Tuesday, it is 13°
colder. What is the temperature on Tuesday?
a. −9°C
b. 9°C
c. 17°C
d. −17°C

3. A parasail is 120
of a meter above the water. Then, after 10 minutes, the parasail is 150
of a meter above the water. What is the change in height?
a. 3100
meter
b. 150
meter
c. 7100
meter
d. 120
meter

Answer 1

Here are the correct answers for each question:

1. Which scenario about books represents finding the difference?

   • b. finding the number of books remaining after a sale on books
     (This scenario involves determining how many books were left after some were sold, which is a difference calculation.)

2. The temperature on Monday is −4°C. On Tuesday, it is 13° colder. What is the temperature on Tuesday?

   • a. −9°C
     (To find the temperature on Tuesday, subtract 13 from -4: -4 - 13 = -17.)

3. A parasail is 120 meters above the water. Then, after 10 minutes, the parasail is 150 meters above the water. What is the change in height?

   • b. 30 meters
     (The change in height is 150 - 120 = 30 meters.)

Please double-check if I made any calculation errors!