Problem Solving with Adding and Subtracting Decimals

  1. John worked at the Pumpkin Patch three days last week. He earned $19.85 on Monday, $17.75 on Thursday, and $21.30 on Saturday. How much did he earn in all?
  1. Sierra bought a princess costume for $23.33, Jordan bought a fairy costume for $20.33, Megan bought a baby doll costume for $16.14, Julia bought a kitty costume for $13.64, and Jessica bought a lizard costume for $19.61. How much did all five of them spend in all?
  1. The candy store in the mall charges $1.35 per pound of candy. Courtney bought three pounds. Matt bought six pounds. How much more did Matt pay?
  1. Kelly bought a hot dog costume for $29.06 and a pumpkin for $2.94. She gave the cashier a fifty-dollar bill. How much change should the cashier give her back (assume no tax)?
  1. The sixth graders are decorating for the Halloween dance by stringing orange lights around the cafeteria. The lights are 5 yards long, and the cafeteria measures 25.5 yards by 32 yards, how many strings of lights will they need to buy to go around the room?
  1. The discount store sold three bags of Halloween candies for ninety-five cents. Victoria bought six bags of the candy. How much did she spend?
  1. Emily wants to buy a pumpkin-decorating kit for $3.95 each. She has $20 to spend. About how many kits can she buy?
  1. Robert sold a bat costume that he made to Christina for $45. He made the costume after spending $23.61 at the store for the materials. How much money did Robert make in profit?
  1. One of the decorations for the Halloween dance is a giant pumpkin painted on the wall in the shape of a hexagon, where all of the sides are the same length. Each side is 3.8 meters long. What is the perimeter of the pumpkin painting?
  1. Isaac wants to save enough money to buy a spider costume that costs $34.17. He has saved $13.83 so far. How much more does he need to save to have enough money to buy the costume?

Problem Solving with Adding and Subtracting Decimals

  1. John worked at the Pumpkin Patch three days last week. He earned $19.85 on Monday, $17.75 on Thursday, and $21.30 on Saturday. How much did he earn in all?
  1. Sierra bought a princess costume for $23.33, Jordan bought a fairy costume for $20.33, Megan bought a baby doll costume for $16.14, Julia bought a kitty costume for $13.64, and Jessica bought a lizard costume for $19.61. How much did all five of them spend in all?
  1. The candy store in the mall charges $1.35 per pound of candy. Courtney bought three pounds. Matt bought six pounds. How much more did Matt pay?
  1. Kelly bought a hot dog costume for $29.06 and a pumpkin for $2.94. She gave the cashier a fifty-dollar bill. How much change should the cashier give her back (assume no tax)?
  1. The sixth graders are decorating for the Halloween dance by stringing orange lights around the cafeteria. The lights are 5 yards long, and the cafeteria measures 25.5 yards by 32 yards, how many strings of lights will they need to buy to go around the room?
  1. The discount store sold three bags of Halloween candies for ninety-five cents. Victoria bought six bags of the candy. How much did she spend?
  1. Emily wants to buy a pumpkin-decorating kit for $3.95 each. She has $20 to spend. About how many kits can she buy?
  1. Robert sold a bat costume that he made to Christina for $45. He made the costume after spending $23.61 at the store for the materials. How much money did Robert make in profit?
  1. One of the decorations for the Halloween dance is a giant pumpkin painted on the wall in the shape of a hexagon, where all of the sides are the same length. Each side is 3.8 meters long. What is the perimeter of the pumpkin painting?
  1. Isaac wants to save enough money to buy a spider costume that costs $34.17. He has saved $13.83 so far. How much more does he need to save to have enough money to buy the costume?