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?