SAT Tutor's Blog » exercise

SAT Math: Sets Terminology (w/ example)

Adam — Thu, 26 Feb 2009 17:02:54 +0000

Here are the SAT Math ‘Sets’ terms you should know. Set questions ask you to compare overlapping groups to determine which members are in each set. Example: See comments for answer and explanation. From my SAT guide SAT Unlocked, which includes a complete list of practice questions in The Official SAT Study Guide that test [...]

SAT Math: When to Plug-in Numbers II (w/ examples)

Adam — Wed, 11 Feb 2009 17:50:54 +0000

Previously, we talked about the strategy of plugging in a number whenever an SAT Math question mentions a number or integer. This number plug-in strategy works equally as well for questions with equations in the answer choices - questions that are often among the hardest on the entire SAT Math section.

SAT Math: Sum of Consecutive Integers (w/ example)

Adam — Fri, 06 Feb 2009 14:16:00 +0000

Consecutive integer questions typically tell you the sum total of a group of consecutive integers and then ask you to find one of these integers. To handle sum of consecutive integer questions: First divide the sum by the number of integers to get the midpoint of the sequence. Then count up or down from this [...]

SAT Math: When to Plug-in Numbers (w/ example)

Adam — Tue, 03 Feb 2009 10:27:16 +0000

Plugging in numbers is a simple and very effective strategy that can help you answer many SAT Math questions, including even some of the hardest 'Numbers and Operations' questions.

SAT Math: Number Lines (w/ example)

Adam — Fri, 30 Jan 2009 12:21:07 +0000

Once or twice per test, the SAT will ask you to interpret values on a number line. When a number line question includes undefined points (labeled by variables), estimate the values of those points before answering the question. Number Line Example: See Comments for the answer. Tip: Number line questions often include fractions and negative [...]

SAT Math Exercise: Number Properties

Adam — Sat, 24 Jan 2009 13:57:00 +0000

Assuming whole numbers, what is the correct answer for each of the following:

1. positive x positive = positive or negative? 2. negative x negative = positive or negative? 3. positive x negative = positive or negative? 4. even + odd = even or odd? 5. odd + odd = even or odd? 6. even + even = even or odd? 7. even x odd = even or odd? 8. odd x odd = even or odd? 9. even x even = even or odd? 10. positive odd x negative even = positive odd or negative even? 11. negative odd x negative odd = positive odd or negative even? 12. negative odd x positive even = positive odd or negative even? 13. Which is greater? -3 or -4?

Answers