Mathorio
Answer key
Counting Coins
Show your work for each problem.
- 1.How much is one quarter worth?
- a)5 cents
- b)10 cents
- c)50 cents
- d)25 cents
Answer: 25 cents
A quarter is worth 25 cents. It gets its name because 25 cents is one quarter (one-fourth) of a dollar.
- 2.You have 3 dimes. How many cents do you have in total?
Answer: 30
cents. Three dimes equal 30 cents.
- 3.Which coin is worth the MOST?
- a)Penny
- b)Quarter
- c)Dime
- d)Nickel
Answer: Quarter
A quarter (25 cents) is worth the most. It takes only 4 quarters to make a dollar, but 100 pennies!
- 4.How many cents are in 1 dollar?
Answer: 100
There are 100 cents in 1 dollar. The word 'cent' comes from the Latin word for 100.
- 5.Count: 2 quarters, 1 dime, and 4 pennies. What is the total?
Answer: 114
- How much are 2 quarters worth? 50
- How much is 1 dime worth? 10
- How much are 4 pennies worth? 4
- What is the total? (50 + 10 + 4) 64
- 6.You have 5 nickels. How many cents is that?
Answer: 25
cents. Five nickels make a quarter!
- 7.Which group of coins is worth EXACTLY 50 cents?
- a)2 dimes and 1 nickel
- b)3 dimes and 1 nickel
- c)5 dimes
- d)1 quarter and 2 dimes
Answer: 5 dimes
5 dimes = cents. The others: 3 dimes + 1 nickel = 35 cents, 1 quarter + 2 dimes = 45 cents, 2 quarters = 50 cents. Both 5 dimes and 2 quarters equal 50 cents!
- 8.You want to buy a candy that costs 75 cents. You have 2 quarters, 2 dimes, and some pennies. How many pennies do you need?
Answer: 5
- How much are 2 quarters worth? 50
- How much are 2 dimes worth? 20
- How much do you have so far? 70
- How many more cents do you need to make 75? 5
- 9.A toy costs 80 cents. If you pay with 1 dollar, how many cents do you get back?
Answer: 20
cents. You get 20 cents back as change.
- 10.Which is worth MORE: 8 nickels or 3 dimes?
- a)8 nickels
- b)3 dimes
- c)Cannot tell
- d)They are equal
Answer: 8 nickels
8 nickels = cents. 3 dimes = cents. 40 > 30, so 8 nickels is worth more!
- 11.Your piggy bank has: 3 quarters, 5 dimes, 2 nickels, and 8 pennies. How much money do you have in total?
Answer: 143
- How much are 3 quarters worth? 75
- How much are 5 dimes worth? 50
- How much are 2 nickels worth? 10
- How much are 8 pennies worth? 8
- What is the total? (75 + 50 + 10 + 8) 143
- 12.You have exactly 1 dollar using only quarters and dimes. If you have 2 quarters, how many dimes do you have?
Answer: 5
- How much are 2 quarters worth? 50
- How much more do you need to make 1 dollar (100 cents)? 50
- How much is each dime worth? 10
- How many dimes make 50 cents? 5
- 13.Emma has twice as much money as Jake. Jake has 45 cents. How many cents does Emma have?
Answer: 90
Twice as much as 45 cents = cents. Emma has 90 cents.
- 14.Which combination makes EXACTLY 1 dollar?
- a)10 dimes
- b)4 quarters
- c)3 quarters + 2 dimes + 5 pennies
- d)All of the above
Answer: All of the above
All three make 100 cents! 3Q+2D+5P = 75+20+5 = 100. 4Q = 100. 10D = 100. There are many ways to make a dollar!
- 15.A pencil costs 35 cents. You pay with 2 quarters. What coins could you receive as change?
Answer: 15
- How much did you pay? (2 quarters) 50
- How much did the pencil cost? 35
- How much change do you get? (50 - 35) 15