Word Problems: 3-Digit Addition
πΊοΈ Giant Journeys! You are combining massive amounts of miles, thousands of points, and giant weights. Stack carefully!
Do this: Read the concept below, then try the quiz or activity.
Concept
The only rule for three-digit word problems is: DO NOT TRY AND DO IT IN YOUR HEAD.
π― The Checklist: 1. Action word: "Total" or "In all" or "Sum". (Addition!). 2. Find the two big numbers. 3. Write them stacked. 4. Draw lines between the columns to prevent writing numbers crookedly. 5. Solve.
Try it
Read the massive mysteries!
Instructions: Find the numbers. Stack them carefully. Solve. Don't forget your labels!
Mystery 1: A family drove 345 miles on Monday. They drove 280 miles on Tuesday. How many miles did they drive in total? * Stacked: 345 + 280 * Answer: ___ miles.
Mystery 2: At the arcade, Sam won 456 tickets playing skee-ball. He won 392 tickets playing hoops. What is the sum of his tickets? * Stacked: 456 + 392 * Answer: ___ tickets.
Mystery 3: A bakery baked 512 chocolate chip cookies and 489 peanut butter cookies. How many total cookies did they bake? * Answer: ___ cookies.
Mystery 4: A plane flew 650 miles to a city, picked up passengers, and flew exactly 150 miles to another airport. Total distance? * Answer: ___ miles.