* Learning Goal
Decide what the problem is asking first. Then choose an operation and show how you know. This is practice set 4 of 10.
1 Equal Groups
Write a repeated addition sentence and a multiplication sentence.
1. There are 6 bags with 3 marbles in each bag.
2. There are 5 trays with 5 muffins on each tray.
2 Solve the Story Problem
Show the operation and explain your thinking.
A museum gift shop has 7 shelves with 2 toy rockets on each shelf. Then it adds 5 more rockets by the register. How many toy rockets are there?
3 Choose the Best Strategy
Tell whether you would use addition, subtraction, or multiplication. Then solve.
| 8 boxes with 2 toy cars each | |
| 16 birds on the wire, 5 fly away | |
| 10 orange cones and 4 yellow cones | |
✦ 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.