Math At Work 10 Quiz #1 Name: _________________ Date: ______________ 1. Round each decimal number to the place value indicated. 4pts a) 1.25 (tenths) __________ c) 29.878 (hundredths) ____________ b) 13.551 (ones) _________ c) 442.0 (tens) _____________ 2. Round each money to the nearest cent. a) $4.258 _____________ c) $199.901 ______________ b) $0.007 _____________ d) $ 0.203 _______________ 3. Calculate each percent. a) 40% of 160 4pts 4pts b) 87.5 % of 80 4. Convert each amount to the SI unit indicated. 4pts a) 35 g = _________________kg c) 0.014 L = ____________mL b) 575 mL = _______________ L d) 0.326 kg = ____________ g 5. Solve each proportion. a) 𝑥 b) 4 8 7 = = 24 16 𝑥 84 8pts c) d) 5 1 = 𝑥 25.2 9 3 = 2.8 𝑥 6. Give the unit price for each phrase below. a) 5 pencils cost $16 4pts _______________________________________________ b) $23 dollars for 7 books ____________________________________________ 7. Continue the pattern. Give a rule. a) 4, 7, 10, 13, ______, _______, _______ Rule: ____________________________ b) 100, 85, 70, 55, _______, _______, _______, Rule: ____________________________ c) 12, 21, 30, ______, _______, _______ Rule: ____________________________ 9pts 8. A vendor at a farmer’s market is selling blueberries. She has 500g of blueberries for $3.99, 1kg of berries for $7.50 and 2.5 kg for $15.00. 6pts a) What is the unit price for each box of berries? Show your work. b) Which box is the better buy? c) Why would someone choose to *not* buy the better unit price?