Mathorio
Answer key
Counting Bills
Show your work for each problem.
- 1.Which bill has the highest value?
- a)1 dollar bill
- b)20 dollar bill
- c)10 dollar bill
- d)5 dollar bill
Answer: 1 dollar bill
The 100 dollar bill has the highest value because 100 is greater than 5, 10, and 20.
- 2.What is the total value of one 10 dollar bill and one 5 dollar bill?
Answer: 15
. The total value is 15 dollars.
- 3.You have two 5 dollar bills. How much money do you have?
- a)15 dollars
- b)5 dollars
- c)2 dollars
- d)10 dollars
Answer: 10 dollars
Two 5 dollar bills: or dollars.
- 4.Count the total: one 20 dollar bill and one 10 dollar bill.
Answer: 30
- What is the value of the 20 dollar bill? 20
- What is the value of the 10 dollar bill? 10
- What is ? 30
- 5.You have three 1 dollar bills. What is the total?
Answer: 15
Three 5 dollar bills: or dollars.
- 6.Maria has two 20 dollar bills and one 10 dollar bill. How much money does she have?
- a)30 dollars
- b)50 dollars
- c)60 dollars
- d)40 dollars
Answer: 50 dollars
Two 20 dollar bills: . Plus 10: dollars.
- 7.Count: one 50 dollar bill, one 20 dollar bill, and two 5 dollar bills.
Answer: 80
. Two 5 dollar bills = 10. dollars.
- 8.Count: three 10 dollar bills and two 5 dollar bills.
Answer: 40
- How many 10 dollar bills are there? 3
- What is ? 30
- What is the value of two 5 dollar bills? 10
- What is ? 40
- 9.A book costs 35 dollars. You have one 20 dollar bill and two 10 dollar bills. Do you have enough?
- a)Yes, I have 40 dollars (5 dollars extra)
- b)Yes, I have exactly 35 dollars
- c)No, I only have 25 dollars
- d)No, I only have 30 dollars
Answer: Yes, I have 40 dollars (5 dollars extra)
dollars. Since , you have enough with 5 dollars to spare.
- 10.Count: one 50 dollar bill, two 20 dollar bills, and one 5 dollar bill.
Answer: 95
- What is the value of the 50 dollar bill? 50
- What is the value of two 20 dollar bills? 40
- What is ? 90
- Now add the 5 dollar bill. What is ? 95
- 11.You have four 20 dollar bills. What is the total?
Answer: 80
Four 20 dollar bills: dollars.
- 12.Count: one 100 dollar bill, one 50 dollar bill, two 20 dollar bills, and three 5 dollar bills.
Answer: 205
- What is ? 150
- What is the value of two 20 dollar bills? 40
- What is ? 190
- What is the value of three 5 dollar bills? 15
- What is ? 205
- 13.Alex wants to buy a skateboard for 75 dollars. He has one 50 dollar bill, one 20 dollar bill, and one 10 dollar bill. What happens?
- a)He only has 70 dollars (needs 5 more)
- b)He has exactly 75 dollars
- c)He has 85 dollars (10 dollars extra)
- d)He has 80 dollars (5 dollars extra)
Answer: He has 80 dollars (5 dollars extra)
. Since , Alex has enough with 5 dollars left over.
- 14.Count: two 50 dollar bills, three 20 dollar bills, and four 5 dollar bills.
Answer: 180
Two 50s: . Three 20s: . Four 5s: . Total: dollars.
- 15.Emma saved her birthday money. She has one 100 dollar bill, two 50 dollar bills, one 20 dollar bill, and five 5 dollar bills. How much did she save?
Answer: 245
- What is the value of the 100 dollar bill? 100
- What is the value of two 50 dollar bills? 100
- What is ? 200
- Add the 20 dollar bill. What is ? 220
- What is the value of five 5 dollar bills? 25
- What is ? 245