Midpoint - Answer - The exact middle point between two other points!
Mean - Answer - Same as Average. Average = (sum / # of things)
Strategy: PLUG IN NUMBERS FOR VARIABLES (LETTERS) - Answer - Pick nice, low numbers and plug them in to the question for any variables (letters) that you see. Solve the problem. Then look at the answer choices and plug in the SAME numbers you picked to find the matching solution! AVOID: 0, 1, negatives, fractions and decimals
Strategy: BACKSOLVING (using answer choices) - Answer - *Remember that answer choices are ordered least to greatest, so start with C! Always C!
REDUCE ALL FRACTIONS TO LOWEST TERMS - Answer - Formulas and definitions are not provided on test (so we must memorize them!) - Answer - DIAGRAMS/SHAPES ARE NOT NECESSARILY DRAWN TO SCALE, BUT GRAPHS ARE. Do not assume any relationship in a diagram unless it is specifically stated or can be figured out from information given. (Remember the poor boy with the ruler!) - Answer
- READ THE ENTIRE QUESTION CAREFULLY! No rushing! Re-read until you understand. - Answer - LEAVE NO BLANKS! Make an educated guess, if you can. - Answer - No calculators allowed! - Answer - Integer - Answer - A whole number (can be positive or negative).
Prime - Answer - A whole number (integer) that can only be divided by 1 and itself. ***1 IS NOT A PRIME NUMBER.
2,3,5,7,11, 13...
Consecutive Numbers - Answer - Numbers that follow one after another in order without
skipping. For example: 1, 2, 3, 4, 5...
Factor - Answer - Positive integer that DIVIDES evenly into a number with no remainder. For example: Factors of 10 = 1, 10, 2, 5