WSM5- Identifying Percentage, Rate and Base

1. Tell whether the problem is asking for the base, percentage or rate.

"Our class of 45 pupils has a field trip to Ocean Park. Nine of my classmates were not able to come. What is the percent of our class not able to join the field trip?"

• a. base

• b. rate

• c. percentage

• d. none of the above

2. Solve for the unknown.

"Our class of 45 pupils has a field trip to Ocean Park. Nine of my classmates were not able to come. What is the percent of our class not able to join the field trip?"

• a. 20%

• b. 5%

• c. 2%

• d. 10%

3. Tell whether the problem is asking for the base, percentage or rate.

"On the way, we sang songs for 30 minutes, which is 15% of the time we had been traveling. How long had we been on the road?"

• a. base

• b. rate

• c.percentage

• d. none of the above

4. Solve the unknown.

"On the way, we sang songs for 30 minutes, which is 15% of the time we had been traveling. How long had we been on the road?"

• a. 75 minutes

• b. 0.0075 minutes

• c.300 minutes

• d. 200 minutes

5. Tell whether the problem is asking for the base, percentage or rate

"Forty percent of the 25 customers who came this morning are adults and the rest are teens. How many customers are adults?"

• a. base

• b. rate

• c.percentage

• d. none of the above

6. Solve the unknown.

"Forty percent of the 25 customers who came this morning are adults and the rest are teens. How many customers are adults?"

• a. 25

• b. 10

• c.15

• d. 0.016

7. Fill in the blanks.

______ % of 20 is 2.

• a. 100%

• b. 2%

• c.18%

• d. 10%

8. Give the value of n

80% of 60= n

• a. 48

• b. 75

• c.0.01

• d. 0.75

9. Give the value of n

16% of n= 8

• a. 24

• b. 1.28

• c.50

• d. 0.2

10. Which is missing in the diagram?

• a. percentage

• b. rate

• c. base

• d. all of the above

• e. none of the above