* Learning Goal
Decide what the problem is asking first. Then choose an operation and show how you know. This is practice set 9 of 10.
1 Equal Groups
Write a repeated addition sentence and a multiplication sentence.
1. There are 11 bags with 3 marbles in each bag.
2. There are 5 trays with 2 muffins on each tray.
2 Solve the Story Problem
Show the operation and explain your thinking.
A class hangs 2 posters on each wall. There are 9 walls in the hallway, and 1 more poster is taped to the door. How many posters are hanging?
3 Choose the Best Strategy
Tell whether you would use addition, subtraction, or multiplication. Then solve.
| 4 teams with 6 runners each | |
| 22 pencils in the cup, 5 are gone | |
| 15 grapes and 7 strawberries | |
✦ SBA-Style Reflection
Answer using evidence from your work above. On the state test (Smarter Balanced), you will need to explain your thinking clearly.
Constructed Response: Look at your answers above. Choose one and explain how you decided on your answer. Use at least one detail or example.