8M - TUesday 4/21 - rEASONING aBOUT sQUARE rOOTS

Master square roots! Estimate values and place them on a number line with our 8th-grade math practice.

Learning Target:When I have a square root, I can reason about which two whole numbers it is between. Write the definitions of the following in your own words:1. Square root2. Whole number Warm Up #1 Decide if each statement is true or false. Use a calculator if you get stuck! True (√5)^2 = 5 7 = (√7)^2 (√16) = 2^2 False (√9)^2 = 3 (√10)^2 = 100 #2 How did you decide if each answer was true or false? Send a video. Not a thousand words. Watch for tips on answering question 3! New Skill : Placing square roots between whole numbers #3 Using the skills in the video, find two numbers that the square roots of the numbers given lie between. Square Root Numbers it lies between √7 √23 √50 √98 #4 Aside from using our calculators, how could we find what numbers these square roots lie between? Send a video. Not a thousand words. Watch the video for help on question 7! New Skill: Placing square roots on a number line #5 Click the dot and place x, y, and z on the appropriate spot on the number line. Not all boxes will have answers.Place the square root of -2 on the number line as well. Practice Time! # 6 Click the blue dot to answer the question given. Be sure to explain in a full sentence using the strategies we talked about in the earlier videos. Placing more on a number line # 7 Click the dot to write where each number goes! Major Key Question 1 How do we know how close or far away to place the numbers next to the whole numbers on the number line? Mr. Dubinsky's Major Keys: MAJOR KEY How can we find the whole numbers that a square root lies between?Look at the squares of whole numbers whose squares are greater than and less than the number inside the square root symbol. EXIT TICKET Click on the blue dot and say whether each square root is greater than 6 or less than 8. Be sure to explain how you know! IXL AND OFFICE HOURS Make sure you practice your recommended IXL skills for 30 minutes in both math and English today. Below are the 8th grade office hours.Great work today. See you tomorrow!