Grade 7 Math W8 Activities

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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

Grade and Section:
Direction: Type your answer in the box.
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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

Connect the estimated square root to its corresponding letter on the number line. (5 pts. each)
Direction: Drag the box from the left and plot the estimated square root of the given number on the number line.  
Point A
Point C
Point D
Point E
Point B