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Darts Checkout worksheet

Grade 3 · CCSS 3.OA.D.8

Solve each problem and show your work. Round answers to 2 decimal places where needed.

1.
Problem 1.
- Score left: 140
- Darts in hand this visit: 2 darts
Find: Fewest darts to finish
Answer
2.
Problem 2.
- Score left: 160
- Darts in hand this visit: 3 darts
Find: Fewest darts to finish
Answer
3.
Problem 3.
- Score left: 120
- Darts in hand this visit: 2 darts
Find: Fewest darts to finish
Answer
4.
Problem 4.
- Score left: 120
- Darts in hand this visit: 3 darts
Find: Fewest darts to finish
Answer
5.
Problem 5.
- Score left: 100
- Darts in hand this visit: 3 darts
Find: Fewest darts to finish
Answer
6.
Problem 6.
- Score left: 120
- Darts in hand this visit: 1 dart
Find: Fewest darts to finish
Answer
7.
Problem 7.
- Score left: 130
- Darts in hand this visit: 1 dart
Find: Fewest darts to finish
Answer
8.
Problem 8.
- Score left: 125
- Darts in hand this visit: 1 dart
Find: Fewest darts to finish
Answer
9.
Problem 9.
- Score left: 110
- Darts in hand this visit: 3 darts
Find: Fewest darts to finish
Answer
10.
Problem 10.
- Score left: 180
- Darts in hand this visit: 3 darts
Find: Fewest darts to finish
Answer

Answer key: Darts Checkout worksheet

1. Fewest darts to finish: 3
1. No finish with 2 darts, so here is the shortest route: T20 D20 D20
  $60 + 40 + 40$ $= 140$
2. Count the darts in the shortest possible finish, so you know how many visits you need
  $fewest darts$ $= 3$
2. Fewest darts to finish: 3
1. Suggested finish T20 T20 D20: the darts add up to 160 and the last one is a double
  $60 + 60 + 40$ $= 160$
2. Count the darts in the shortest possible finish, so you know how many visits you need
  $fewest darts$ $= 3$
3. Fewest darts to finish: 3
1. No finish with 2 darts, so here is the shortest route: T20 S20 D20
  $60 + 20 + 40$ $= 120$
2. Count the darts in the shortest possible finish, so you know how many visits you need
  $fewest darts$ $= 3$
4. Fewest darts to finish: 3
1. Suggested finish T20 S20 D20: the darts add up to 120 and the last one is a double
  $60 + 20 + 40$ $= 120$
2. Count the darts in the shortest possible finish, so you know how many visits you need
  $fewest darts$ $= 3$
5. Fewest darts to finish: 2
1. Suggested finish T20 D20: the darts add up to 100 and the last one is a double
  $60 + 40$ $= 100$
2. Count the darts in the shortest possible finish, so you know how many visits you need
  $fewest darts$ $= 2$
6. Fewest darts to finish: 3
1. No finish with 1 dart, so here is the shortest route: T20 S20 D20
  $60 + 20 + 40$ $= 120$
2. Count the darts in the shortest possible finish, so you know how many visits you need
  $fewest darts$ $= 3$
7. Fewest darts to finish: 3
1. No finish with 1 dart, so here is the shortest route: T20 T10 D20
  $60 + 30 + 40$ $= 130$
2. Count the darts in the shortest possible finish, so you know how many visits you need
  $fewest darts$ $= 3$
8. Fewest darts to finish: 3
1. No finish with 1 dart, so here is the shortest route: T20 25 D20
  $60 + 25 + 40$ $= 125$
2. Count the darts in the shortest possible finish, so you know how many visits you need
  $fewest darts$ $= 3$
9. Fewest darts to finish: 2
1. Suggested finish T20 Bull: the darts add up to 110 and the last one is a double
  $60 + 50$ $= 110$
2. Count the darts in the shortest possible finish, so you know how many visits you need
  $fewest darts$ $= 2$
10. Fewest darts to finish: 4
1. More than 170 is left, so here is the shortest route: T20 T20 S20 D20
  $60 + 60 + 20 + 40$ $= 180$
2. Count the darts in the shortest possible finish, so you know how many visits you need
  $fewest darts$ $= 4$