SHSAT - MATH question n answers graded A+ 2023/2024

SHSAT - MATH Mean - correct answer Same as Average. Average = (sum / # of things) Strategy: PLUG IN NUMBERS FOR VARIABLES (LETTERS) - correct 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) - correct answer *Remember that answer choices are ordered least to greatest, so start with C! Always C! REDUCE ALL FRACTIONS TO LOWEST TERMS - correct answer Formulas and definitions are not provided on test (so we must memorize them!) - correct 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!) - correct answer READ THE ENTIRE QUESTION CAREFULLY! No rushing! Re-read until you understand. - correct answer LEAVE NO BLANKS! Make an educated guess, if you can. - correct answer Integer - correct answer A whole number (can be positive or negative or 0). Prime - correct 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 - correct answer Numbers that follow one after another in order without skipping. For example: 1, 2, 3, 4, 5... Factor - correct answer Positive integer that DIVIDES evenly into a number with no remainder. For example: Factors of 10 = 1, 10, 2, 5 Multiple - correct answer A number that a given number will divide into with no remainder. Think MULTIPLY. For example: Multiples of 10 = 10, 20, 30, 40, 50... PEMDAS - correct answer Order of Operations: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction Absolute Value - correct answer Absolute value of a number is ALWAYS positive. x^1 - correct answer x x^0 = - correct answer 1 x^2 + x^2 = - correct answer 2x^2 (x^2)(x^3) = - correct answer x^5 Add exponents! (x^2)^3 = - correct answer x^6 Multiply exponents! Square Roots - correct answer