What I Have Learned Answer the following questions. Give your solutions or explanations. 1. How do you find the square roots of a whole number which are not perfect squares? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 2. What are steps to follow in order for you to find the estimation of the given square roots which are not perfect squares? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 3. How do you find the square root of 2? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 4. Did you find any difficulty in estimating the square roots of a whole number? ________________________________________________________________________ ________________________________________________________________________ _______________________________________________________________________ Were you able to answer all the questions in the activity? Do you have better understanding now on how to estimate the square roots of a whole numbers that are not perfect squares in the nearest hundredths? In the next activity, let’s extend your understanding by applying the concepts in real-life situation. 13
What I Have Learned Answer the following questions. 1. How do you plot √2 on a number line? ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ 2. What are your ways/steps in plotting irrational numbers on a number line? ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ What I Can Do Here is another activity that will let you apply what you learned about plotting square roots on a number line. Round off your answer to the nearest hundredths. 1. Ms. Liza is buying a square piece of land which is 548 square meters in area. What is the length of each side of the land? 2. If a square bedroom has an area of 111square feet, what is the length of one wall? 3. Mr. Cruz owns a square garden with area of 245 square feet. How much fencing will a gardener need to buy in order to place fencing around the garden of Mr. Cruz if each foot cost 55 pesos? 4. Anna wants to put up a frame for her window. She knows that the area of her window is 82 square feet. What is the estimate perimeter of the window? 5. Aerox bought a square carpet with an area of 95 square feet for his dining room. What is the approximate length of one side of the carpet? 18