Texas
Rule Out Wrong Answers
Use number sense or estimation to rule out wrong answer choices.
Suppose you're not sure of the answer to a problem. How can you get closer to the right answer? You can rule out wrong answers. Let's read the problem below together.
Use this table for the problem below.
| Trees Seen | |
|---|---|
| Ash | 8 |
| Oak | 12 |
| Maple | 7 |
How many maple and ash trees were seen in all?
I'll show you how you can find the right answer by ruling out answer choices that you know are wrong.