Units of Measurement
What unit would you use to measure the length of a pencil?
What is centimeters?
Is 312 mm a precise measurement? Why or why not?
Yes
Your longest finger measures 8 cm, while your shortest finger is 5 cm. Which is longer?
the longest finger?
How many millimeters are in 1 centimeter?
10mm
Name one item whose mass you would measure in kilograms
will vary
The base unit you would use to measure your height.
What is meters?
An example of when an estimated measurement might be more useful than a precise measurement.
What is estimating the length of a classroom?
If you walk 1 km in 10 minutes, how far could you walk in half an hour?
3 km
Convert 15 cm to meters
0.15m
Name one item whose capacity you would measure in liters
will vary
If you wanted to measure a bag of flour, this unit would be appropriate.
What is kilograms?
Is 4.12 m more precise than 4 m? Explain your reasoning
yes, because it includes more detail
If you walk 2 km and your friend walks 3 km in the same time, who walked farther?
Your friend
If you walked 3.5 km, how many meters did walk?
3500 m
What unit would you use to measure the mass of a tablet?
milligrams
Convert 2 meters into this many centimeters.
What is 200 cm?
Why might someone choose to estimate a distance instead of measuring it precisely?
it saves time or effort when you don't need to measure specifically.
If your backpack is 45 cm tall and your friend’s backpack is 50 cm tall, how much taller is your friend’s backpack?
5cm
Rename 750 m in kilometers
What is 0.75 km?
Provide an example of something measured in kiloliters
a pool, answers will vary
This unit would be most appropriate for measuring the distance from your house to school.
What is kilometers?
Compare the precision of 5.0 km and 5000 m. Which is more precise and why?
they are equal; both indicate the same distance in different units
If a rope is 3.2 meters long and you cut off 80 centimeters, how long is the remaining rope?
2.4 meters or 240cm
If you convert 2500 mL to liters, how many liters do you have?
2.5 liters
Describe a situation where measuring in milliliters is necessary for precise results.
measuring ingredients for baking or pharmaceutical dosages