1/29/17 Decimals Mul,plica,on Es,ma,on 100 Oh, My! 100 100 100 100 200 200 200 200 300 300 300 300 400 400 400 400 What is 0.56 x 103 ? 560 200 Es6mate 0.6 x 453 0.5 x 450 = 225 300 To determine the 6p for a restaurant server, most people mul6ply the amount of the check by 0.15. What would the 6p be on a check for $20? $20 x 0.15 = $3.00 400 •  Gianna buys 8 veggie wraps. Es6mate how much she spends? •  $3.00 x 8 = $24.00 100 •  What is 0.07 x 102 ? •  7 1 1/29/17 300 200 • Es6mate the product of 301 x 0.28 •  300 x 0.3 = 90 • 25.4 x 7 = 177.8 cm 400 •  Jacob buys 3 turkey Swiss sandwiches and pays with a $20 bill. How much does he spend? How much change does he receive? 3 x $4.39 = $13.17, $20 – 13.17 = $6.83 200 •  What is $7.35 x 5? $36.75 •  The fastest growing plant is the Hesperoyucca Whipplei. It was recorded that one of these plants grew at a rate of 25.4 cm per day. How many cen6meters did this plant grow in 7 days? 100 What is 1.3 x 5.27 ? 6.851 300 •  Toby is planning on purchasing a Chromebook. They usually cost $200. Toby found a coupon for 20% off. How much will the Chromebook cost aVer that discount? It will cost $160 before tax. 2 1/29/17 400 Mrs. ZaneY bought 3 cheese melts and 6 veggie wraps. How much did she spend in all? Write an equa6on and solve. (3 x 3.79) + (6 x 3.29) = 11.37 + 19.74 = $31.11 100 What is 1.53 x 103 ? 1,530 200 Owen ran 3.5 miles per day for a week. How many total miles did he run? Write an equa6on and solve. 3.5 x 7 = 24.5 Miles 300 Solve: (45 x 0.456) x 105 2,052,000 400 Double Jeopardy Mr. E is going on vaca6on for 10 days. He pays his dog si`er $35.50 per day. How much will he spend on dog siYng during his vaca6on? 10 x 35.50 = $355.00 Parker is training for an upcoming wrestling match. He trains 4.5 hours each day, Monday through Wednesday. Addi6onally, he trains 3 hours each day on Thursday and Friday. If he keeps up the same training schedule each week, how many hours will Arnold train if the event is 8 weeks away? •  [(4.5 x 3) + (3 x 2)] x 8 •  (13.5 + 6) x 8 = 156 Hours 3