Grade 6 | Unit 3 | Lesson 13: Benchmark Percentages | Practice Problems

Andre lives 1.6 km from school. What is 50% of 1.6 km?

• 0.8 km

• 1.3 km

• 3.2 km

• 0.4 km

• 1.6 km

There is a 10% off sale on laptop computers. If someone saves $35 on a laptop, what was its original cost?

• $350

• $300

• $370

• $330

• $400

15 is what percentage of 30?

• 50%

• 40%

• 60%

• 70%

• 80%

3 is what percentage of 12?

• 25%

• 50%

• 20%

• 30%

• 40%

6 is what percentage of 10?

• 60%

• 50%

• 70%

• 80%

• 90%

Does Noah’s method of finding 20% of a number by dividing the number by 5 always work? Explain why or why not.

Diego has 75% of $10. Noah has 25% of $30. Diego thinks he has more money than Noah, but Noah thinks they have an equal amount of money. Who is right? Explain your reasoning.

Lin and Andre start walking toward each other at the same time from opposite ends of a 22-mile walking trail. Lin walks at a speed of 2.5 miles per hour. Andre walks at a speed of 3 miles per hour. Use the following table to find how much time passes before they meet.

Elapsed time (hour)	Lin’s distance (miles)	Andre’s distance (miles)	Distance apart (miles)
0	0	0	22
1	2.5	3	16.5
2	5	6	11
3	7.5	9	5.5

• 3 hours

• 4 hours

• 5 hours

• 6 hours

• 2.5 hours