Write out What the Symbols Mean

Name:______Date:______Hour: 1 2 3 4 5 6

Measurement Lab

For measuring, if it says the nearest unit, this means nearest whole number, no decimal. If it doesn’t say “nearest” estimate to 1 decimal place.

Write out what the symbols mean.

Name:______Date:______Hour: 1 2 3 4 5 6

1)ms ______

2)km ______

3)cm ______

4)µs ______

Name:______Date:______Hour: 1 2 3 4 5 6

How much does each one equal?

Name:______Date:______Hour: 1 2 3 4 5 6

5)1 m = ______cm

6)1 cm = ______mm

7)1 km = ______m

Name:______Date:______Hour: 1 2 3 4 5 6

Circle which measurement is larger.

Name:______Date:______Hour: 1 2 3 4 5 6

8)14 mm or 1 cm

9)334 m or 1 km

10)1 m or 990 cm

11)145 cm or 145 mm

12)3.4 cm or 30 mm

13)10 km or 1000 cm

Name:______Date:______Hour: 1 2 3 4 5 6

Use the metric increments on a ruler to measure the following items.

Length of the line to the nearest centimeter: ______to the nearest millimeter: ______

To the nearest millimeter, measure the height of the rectangle: ______width of the rectangle: ______

Radius of the circle to the nearest millimeter: ______nearest centimeter: ______

Diameter of the circle to the nearest millimeter: ______nearest centimeter: ______

What is the definition of accuracy? ______

What is the definition of precision? ______

Do you think it’s better for measurements to be accurate or precise? Why? ______

______

Find the volume of the box by measuring and multiplying the length, width, and height of the box. Pay attention to

the units for volume when you multiply the units for length.

First measure to the nearest centimeter. ______(L) x ______(W) x ______(H) = ______

Then measure to the nearest millimeter. ______(L) x ______(W) x ______(H) = ______

Which volume do you think is more accurate? Why? ______

______

Now, choose a larger object/distance in the room, and use a meter stick to make your measurements.

What are you measuring? ______

Measure the length of it to the nearest meter: ______

Measure its length to the nearest centimeter: ______Now convert that length to meters: ______

Measure its length to the nearest millimeter: ______Now convert that length to meters: ______

Which units were the easiest to measure with?______Hardest?______

Which units do you think were most accurate?______Least accurate?______

Which units do you think were overall the best to measure this object with and why?______

______

Circle the best choice of unit to measure the specified distance.

The length of an eyelashmmcmmkm

The height of a flagpole mmcmmkm

The length of a spaghetti noodle mmcmmkm

The distance from here to Chicago mmcmmkm

Why is it helpful to have different size units for measuring length?______

______

Why do we use prefixes? ______

______