Lesson 10: Practice Problems
Problem 1
What percentage of a dollar is the value of each coin combination?
4 dimes
1 nickel and 3 pennies
5 quarters and 1 dime
Problem 2
List three different combinations of coins, each with a value of 30% of a dollar.
List two different combinations of coins, each with a value of 140% of a dollar.
Problem 3
The United States government used to make coins of many different values. For each coin, state its worth as a percentage of $1.
cent 3 cents
20 cents
$5
Problem 4
Complete the double number to line show percentages of $50.
Problem 5 From Unit 3 Lesson 9
Elena bought 8 tokens for $4.40. At this rate:
How many tokens could she buy with $6.05?
How much do 19 tokens cost?
Problem 6 From Unit 3 Lesson 8
A snail travels 10 cm in 4 minutes. At this rate:
How long will it take the snail to travel 24 cm?
How far does the snail travel in 6 minutes?
Problem 7 From Unit 3 Lesson 7
3 tacos cost $18. Complete the table to show the cost of 4, 5, and 6 tacos at the same rate.
number of tacos
cost in dollars
rate in dollars per taco
If you buy
tacos for dollars, what is the unit rate?