Reteach and Skills Practice Workbook

16–1
Name
Skills Practice
Probability and Outcomes
Date
4SDAP2.2, 4SDAP2.1
Describe the probability of picking a certain shape from the bag.
Use certain, likely, equally likely, unlikely, or impossible.
1. 3. or
2. 4. , ,oor
Describe the probability of each outcome. Use certain, likely,
equally likely, unlikely, or impossible.
5. spinning 2
6. spinning 3
7. spinning 6
8. spinning 1
9. spinning 3 or 4
10. spinning 1, 2, 3, or 4
Describe the probability of each outcome. Use certain, likely,
equally likely, unlikely, or impossible.
11. The month after September will be November.
12. It will be sunny or rainy tomorrow.
13. It will snow in Alaska this year.
Solve.
14. A bag contains 3 red and 7 white
balls. Is it unlikely, likely, or equally
likely you will pick a red ball?
2
2
15. A box contains 6 red pencils and
6 black pencils. Is it unlikely, likely,
or equally likely you will pick
a red pencil?
4
2
2
2
3
4
2
3
1
2
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Grade 4 288 Chapter 16