SI Unit Conversions

​Metric and Unit Conversions

​LENGTH METRIC UNIT

Open Ended

1. Try these conversions using the ladder method:

1000 mg = _______ g

1 L = _______ mL

160 cm = _______ mm

14 km = _______ m

109 g = _______ kg

250 m = _______ km

Multiple Choice

If there are 100 cm in 1 m, convert 60 cm to meters.

• $$\ \frac{60\ cm}{1}\times\frac{1m​}{100\ cm}=\frac{60\ m}{100\ }=0.6\ m$$

• $$\frac{60\ cm}{1}\times\frac{100\ cm​}{1\ m}=\frac{6,000\ m}{1}=6,000\ m$$

Multiple Choice

Which way do you move the decimal to make the base unit larger?

• Left

• Right

• Neither

Multiple Choice

What is the base unit for time?

• Seconds

• Minutes

• Hours

• Days

Multiple Choice

How would you write dekaliters with symbols?

• dL

• DL

• daL

Multiple Choice

How would you write centimeter with symbols

• cem

• cm

• CM

Open Ended

Convert:

1. 5 m to km

2. 1000 mg to g

3. 7.0 L to hL

4. 8 mm to cm

5. 5.6 kg to g

Multiple Choice

convert 76.3 mm to cm

• 0.763 cm

• 7.63 cm

• 76.3 cm

• 763 cm

Multiple Choice

How many second in 2 weeks?

• 43,200 s

• 86,400 s

• 352,800 s

• 1,209,600 s

​Convertion: Multi units

Multiple Choice

Convert 25 m/s to km/h

• 90 km/h

• 70 km/h

• 60 km/h

• 48 km/h