California
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 test question. You can be a smart test-taker if you rule out wrong answer choices. Solve the problem below on scratch paper. Then click the arrow, and I'll show you how to rule out wrong answers.
Students at Kennedy School collected labels from cans. The third grade collected 247 labels, and the fourth grade collected 236 labels. How many labels did they collect in all?
