* Learning Goal
Decide what the problem is asking first. Then choose an operation and show how you know. This is practice set 8 of 10.
1 Equal Groups
Write a repeated addition sentence and a multiplication sentence.
1. There are 10 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 pet store stacks 6 fish bowls on each shelf. There are 3 shelves, and 4 bowls are on the counter. How many bowls are there in all?
3 Choose the Best Strategy
Tell whether you would use addition, subtraction, or multiplication. Then solve.
| 6 bins with 4 balls each | |
| 21 shells in the bucket, 3 are broken | |
| 8 paper stars and 8 paper moons | |
✦ 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.