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| Arithmetic: Integers |
| SATprepararion.net |
| While most people think the SAT is a test of advanced math, about one-fifth of the questions are arithmetic. Most students need to review this arithmetic. |
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| SAT TIP: When asked about integers, think of positive values, negative values, and zero!. |
| Questions? Write the SATtutor@SATpreparation.net |
| Math Review |
| An integer is any whole number point on the number line -- positive, negative, and zero! Try this example: If P is the set of positive integers, O is the set of odd intergers, and N is the set of integers less than 5, which of the following could be in all three sets? (A) 8 (B) 6 (C) 3 (D) 0 (E) -3 STRATEGY: Think of the possible values and try them. ("Guess and check") P = 1, 2, 3, 4, 5, etc. O = -3, -1, 1, 3, 5, etc. N = 4, 3, 2, 1, 0, -1, -2, -3,etc. Solve: The only integer in all three sets is 3. Practice with these examples: An easy problem for scores from 200 to 400 A moderate problem for scores from 400 to 600 A difficult problem for scores from 600 to 800 For more practice: Click here for problems in The Official SAT Study Guide. Click here to return to Web Book Access |