Addition and Subtraction

Read the question carefully and decide if you need to use addition or subtraction to find the answer. Solve the problem and type your answer in the space provided. Maritza made a pan of 32 brownies. Her family ate 17 of them. How many brownies does she have left to share with her neighbors? 2. The Shelby family runs together every week. Last week they ran 25 miles, and this week they ran 37 miles. How many miles did they run in all? 3. Jamal and Tran are building a Minecraft house. Jamal uses 340 bricks and Tran uses 581 bricks. What is the total number of bricks the boys use? 4. Nicholas read 745 pages last week. This week he only read 532 pages. How many more pages did Nicholas read last week? 5. It takes 978 pieces of wood to build a beach cottage. If the OBX Builders have 745 wood pieces, then how many more pieces do they need to finish building the cottage? 6. There were 45 people riding on a bus. 17 people got off the bus on Ocean Street. When the bus stopped on Starfish Crossing 13 people got on. How many people are on the bus now?