Counting Coins — Answer Key
Part A: Multiple Choice
Circle the letter of the best answer.
1. Emma has 2 dimes, 1 nickel, and 2 pennies. How many cents does she have?
A) 22 cents
B) 27 cents
C) 32 cents
D) 17 cents
2 dimes = 20 cents, 1 nickel = 5 cents, and 2 pennies = 2 cents. Adding them gives 20 + 5 + 2 = 27 cents.
2. Which two coins together equal 15 cents?
A) A penny and a nickel
B) A dime and a nickel
C) A dime and a penny
D) Two nickels
A dime = 10 cents and a nickel = 5 cents. Together, 10 + 5 = 15 cents. The other options give 6, 11, or 10 cents.
3. Ben has 1 quarter. He gives away 1 dime. How many cents does he have left?
A) 10 cents
B) 15 cents
C) 20 cents
D) 25 cents
A quarter = 25 cents and a dime = 10 cents. After giving away the dime, Ben has 25 - 10 = 15 cents left.
4. Which group of coins equals exactly 1 quarter?
A) 2 dimes + 1 nickel
B) 3 nickels
C) 1 dime + 2 pennies
D) 2 dimes + 2 pennies
2 dimes + 1 nickel = 20 + 5 = 25 cents, which equals 1 quarter. The other options give 15, 12, or 22 cents.
Part B: Fill in the Missing Amount
Write the missing number on each line.
1. 1 nickel + 5 pennies = 1 dime.
A nickel = 5 cents and a dime = 10 cents. To go from 5 to 10, you need 10 - 5 = 5 more pennies.
2. 1 quarter = 2 dimes + 5 pennies.
A quarter = 25 cents and 2 dimes = 20 cents. The remaining amount is 25 - 20 = 5 pennies.
3. 3 dimes + 2 pennies = 32 cents.
3 dimes = 30 cents and 2 pennies = 2 cents, so 30 + 2 = 32 cents.
4. 1 dimes have the same value as 2 nickels.
2 nickels = 2 x 5 = 10 cents. Since 1 dime = 10 cents, 1 dime has the same value as 2 nickels.
5. 1 quarter + 1 dime + 5 pennies = 40 cents.
1 quarter + 1 dime = 25 + 10 = 35 cents. To reach 40 cents, you need 40 - 35 = 5 more pennies.