Percentages, ratio and proportion review 10/23/18 Block 2

• 3

• 2.4

• 24

• 6

Tags

CCSS.6.RP.A.3C

Find a 41% increase on £62

• £87.42

• £87.24

• £84.72

• £84.27

Tags

CCSS.6.RP.A.3C

Find a 3% decrease on £24

• £23.28

• £22.28

• £22.38

• £23.83

Tags

CCSS.6.RP.A.3C

John's bank account offers 3% interest each year.

John invests £400 for 5 years. Find the balance at the end of 5 years...

• £463.71

• £463.70

• £460

• £467.30

Tags

CCSS.6.RP.A.3C

The value of Bill's car goes down by 12% each year.

Bill's car is currently worth £5000. How much will it be worth in 4 years....

• £2998.48

• £2998.47

• £2898.47

• £2898.48

Tags

CCSS.HSF.BF.A.2

How close a measurement is to the true value is called..

• Accuracy
• Precision
• Significant
• Estimate

The correct formula for calculating percentage error?

• Percent Error (%) = |Accepted value – experimentalValue| x100

  Accepted Value

• Percent Error (%) = |experiment value – Accepted Value| x100

  Accepted Value

• Percent Error (%) = |experiment value | x100

  Accepted Value

• Percent Error (%) = |accepted value – experimentalValue| x100

  experimental Value

As the result of experimental work, a student finds the density of a liquid to be 30 g/cm3. The known density of that liquid is 25 g/cm3. What is the percent error of this student’s work?

• 200

• 20

• 2

• 0.02

Tags

CCSS.6.RP.A.3C

The melting point of potassium thiocyanate determined by a student in the laboratory turned out to be 105 C. The accepted value of this melting point is 35 C. What is the percent error in this reading?

• 20

• 2

• 200

• 0.02

Which of these ratios is equivalent to 3:4?

• 12:9
• 9:20
• 9:12
• 803:804

Tags

CCSS.6.RP.A.3A