Measurement/Calc

Review Game

Rules of the game:

• Two people will share a board.• Answer must be written correctly on your

board and with appropriate units (where it applies)

• No cheating– No notes, textbooks, worksheets, reviews– No help from other students or me

» READY??????

Question #1

• Count the # of significant figures in the following:

0.05

Answer: 1

Question #2

• Count the # of significant figures in the following:

0.030

Answer: 2

Question #3

• Count the # of significant figures in the following:

9000.0

Answer: 5

Question #4

• Count the # of significant figures in the following:

0.2010

Answer: 4

Question #5

• Count the # of significant figures in the following:

20006

Answer: 5

Question #6

• Calculate. Express your answer in the proper # of significant figures.

1.44 m X 2.467 m =

Answer: 3.55 m2

Question # 7

• Calculate. Express your answer in the proper # of significant figures.

7082 ÷ 42 =

Answer: 170

Question # 8

• Calculate. Express your answer in the proper # of significant figures.

55.46 g – 36.2 g =

Answer: 19.3 g

Question # 9

• Express in standard scientific notation.

0.00382

Answer: 3.82 X 10-3

Question # 10

• Express in standard scientific notation.

4563000

Answer: 4.563 X 106

Question # 11

• Express in normal notation.

4.53 X 105

Answer: 453 000

Question #12

• Express in normal notation.

2.1 X 10-4

Answer: 0.00021

Question #13

• Draw the metric conversion grid.( Hint…King Henry….)

Answer:

How to use

KiloHecto

DekaBASE

DeciCenti

MilliLeft

Right

Question # 14

• Convert.

2.75 km = ___ cm

Answer: 275 000

Question #15

• Convert.

455 cg = ___ g

Answer: 4.55 g

Question # 16

• Calculate density. Show all steps and units.

mass 537 g, volume 1002 mL

Answer: 0.536 g/mL

Question #17

• Calculate mass. Show all steps and units.

density 7.0 g/mL,volume 222mL

Answer: 1554 g = 1.6 x 103 g

Question # 18

• Calculate volume. Show all steps and units.

density 3 g/mL, mass 2100 g

Answer: 700 mL

Question # 19

• What is the difference between accuracy and precision?

Answer: accuracy – closest to actual value precision – closest to other

values in the set.

Question #20

• Tell if the following data is accurate, precise, both or neither.

A nail has a length of 3.04 cm.Measurements recorded were 2.01, 2.02, 2.01,

2.03.

Answer : precise

Read the volumes of liquid below using the correct precision.

Answer

• 20.38 mL