Money and Making Change — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. Fewest coins for 73 cents in Grade 3 money work is:
A) 7 coins
B) 8 coins
C) 6 coins
D) 9 coins
2Q + 2D + 3P = 50 + 20 + 3 = 73c, 7 coins.
2. Fewest coins for 40 cents in Grade 3 money work is:
A) 3 coins
B) 4 coins
C) 5 coins
D) 2 coins
1Q + 1D + 1N = 40c, but 4 dimes also work.
3. Fewest coins for 55 cents in Grade 3 money work is:
A) 3 coins
B) 2 coins
C) 4 coins
D) 5 coins
2Q + 1N = 50 + 5 = 55c using 3 coins only.
4. Fewest coins for 99 cents in Grade 3 money work is:
A) 9 coins
B) 8 coins
C) 10 coins
D) 7 coins
3Q + 2D + 4P = 75 + 20 + 4 = 99c, 9 coins.
Part B: Fill in the Blank
Write the correct answer on each line.
1. Fewest coins for 73 cents uses 2 quarters, 2 dimes, and 3 pennies.
50 + 20 = 70c, plus 3 pennies makes 73 cents.
2. Fewest coins for 55 cents is 3 total coins in Grade 3.
2Q + 1N = 55c, only 3 coins needed here.
3. Fewest coins for 99 cents uses 3 quarters, 2 dimes, 4 pennies.
95 + 4 = 99 cents, so 4 pennies are needed.
4. Fewest coins for 40 cents uses 1 quarter, 1 dime, 1 nickel.
25 + 10 + 5 = 40 cents with just 3 coins.
5. To pay 73 cents, use biggest coins first: start with 2 quarters.
2 quarters = 50c, under 73, keeps coins fewest.