Squares & Roots

Question What is a perfect square? tap to flip ↻ Answer A number that can be expressed as the product of an integer with itself. Question List the first five perfect squares. tap to flip ↻ Answer 1, 4, 9, 16, 25 Question What is the square of 12? tap to flip ↻ Answer 144 Question What is the square root of 169? tap to flip ↻ Answer 13 Question What is the square root symbol called? tap to flip ↻ Answer Radical sign Question What does $\sqrt{25}$ equal? tap to flip ↻ Answer 5 Question What is the square of 0? tap to flip ↻ Answer 0 Question Is 1 a perfect square? tap to flip ↻ Answer Yes, because $1 = 1 \times 1$. Question What is the square root of 0? tap to flip ↻ Answer 0 Question What is the square of 15? tap to flip ↻ Answer 225 Question What is the square root of 400? tap to flip ↻ Answer 20 Question What is the square of 7? tap to flip ↻ Answer 49 Question What is the square root of 81? tap to flip ↻ Answer 9 Question What is the square of 10? tap to flip ↻ Answer 100 Question What is the square root of 1? tap to flip ↻ Answer 1 Question What is the square of 20? tap to flip ↻ Answer 400 Question What is the square root of 36? tap to flip ↻ Answer 6 Question What is the square of 9? tap to flip ↻ Answer 81 Question What is the square root of 100? tap to flip ↻ Answer 10 Question What is the square of 5? tap to flip ↻ Answer 25 Question What is the inverse operation of squaring a number? tap to flip ↻ Answer Finding the square root Question What is the square of a negative number, such as (-6)²? tap to flip ↻ Answer 36, because a negative times a negative is positive Question Can a negative number have a real square root? tap to flip ↻ Answer No, because no real number multiplied by itself gives a negative result Question What is the square root of a fraction, such as √(9/16)? tap to flip ↻ Answer 3/4, since √9 = 3 and √16 = 4 Question What is the square of a fraction, such as (2/3)²? tap to flip ↻ Answer 4/9, since 2² = 4 and 3² = 9 Question What is the square root of 144? tap to flip ↻ Answer 12 Question What is the square of 25? tap to flip ↻ Answer 625 Question Between which two whole numbers does √50 lie? tap to flip ↻ Answer Between 7 and 8, since 7² = 49 and 8² = 64