PLTW-IED Unit 1.3 Precision Accuracy

Which of these best completes the conversions below?
1 kg = ? g
1 m  = ? cm

• 1 kg = 1000 g
  1 m  = 100 cm
• 1 kg = 0.001 g
  1 m  = 0.01 cm
• 1 kg = 100 g
  1 m  = 10 cm
• 1 kg = 0.01 g
    1 m = 0.001 cm

Convert 12 km to m

• 120 m
• 1,200 m
• 12,000 m
• 120,000 m

What SI unit is used to measure length?

• meters

• liters

• centimeters

• kilograms

Tags

CCSS.4.MD.A.1

• 8
• 8.0
• 8.01
• 8.010

Is this picture accuracy or precision?

• Just accuracy
• Just precision
• Both
• Neither

Is this picture accuracy or precision?

• Just accuracy
• Just precision
• Both
• Neither

"m" is a unit of __________

• Mass
• Weight
• Length
• Time

"kg" is a unit of _____

• Weight
• Mass
• Length
• Volume

When a measurement is repeatable and consistent it is said to have...

• High precision
• Low precision
• High accuracy
• Low accuracy

length?

• 3.2 cm
• 3.12 cm
• 3 cm
• 3.219 cm