Transcript Document
4-5 Squares and Square Roots Roots Week 14 Course 3 4-5 Squares and Square Roots DO NOW (3 mins) PKB (Prior Knowledge Box) Topic: Squares and Misconceptions Complete this side only. List anything that you know about the above topic. Course 3 4-5 Squares and Square Roots STANDARD 7NS 2.4 Students will find the square root of perfect squares and other integers. Course 3 4-5 Squares and Square Roots OBJECTIVE Huskies will be able to calculate perfect squares and estimate where a square lies Between. Course 3 4-5 Squares and Square Roots Vocabulary Square root: One of the two equal factors of a number. Squared: Another way to say raised to the second power. Course 3 4-5 Squares and Square Roots Vocabulary (continued) Perfect square: A whole number that can be rewritten as the square of an integer. Radical sign: The symbol, used to denote a square root. Course 3 4-5 Squares and Square Roots Taking the square root of a number is the inverse of squaring the number. 62 = 36 Course 3 36 = 6 4-5 Squares and Square Roots + 16 = 4 – 16 = –4 The numbers 16, 36, and 49 are examples of perfect squares. Other perfect squares include 1, 4, 9, 25, 64, and 81. Course 3 4-5 Squares and Square Roots Example: 1 Finding the Positive and Negative Square Roots of a Number Find the two square roots of each number. A. 49 B. 100 C. 225 Course 3 4-5 Squares and Square Roots Example 2 Find the two square roots of each number. A. 25 B. 144 C. 289 Course 3 4-5 Squares and Square Roots Example 6: Square Root of Non-Perfect Squares The square root of 73 falls between which two whole numbers? Which number is 73 closer to? Course 3 4-5 Squares and Square Roots Prior Knowledge Box (PKB) Topic: Exponents Misconceptions What did you think you knew but you found out was a misconception? If you didn’t have any prior knowledge, what did you learn/ review today? Course 3 4-5 Squares and Square Roots Stations Collaborative- Faceing Exponent and Squares and Square Root Worksheet Direct- Square Roots Practice Worksheet w/Ms. Ahumibe Course 3 4-5 Squares and Square Roots Exit Slip-Square Roots Name Date Period Course 3