Lab 2 Review!

+/- Same Units

100

39.64 cm + 1.3 cm =

40.9 cm

200

195.4 dm + 193 dm = 

388 dm

300

46.8 m - 41.4 m = 

5.4 m

400

23.91 cm - 18.3 cm = 

5.6 cm

500

4.29 dm - 0.743 dm = 

3.55 dm

+/- with Conversions

100

20.4 cm + 13.82 dm = 

158.6 cm OR 15.86 dm

200

14.91 mm + 3.542 m = 

3557 mm OR 3.557 m

300

13.664 dm + 6.3 cm =

14.29 dm OR 142.9 cm

400

31.4 dm - 2.7 m =

4 dm OR 0.4 m

500

2.518 m - 395 mm =

2.123 m OR 2,123 mm

X/÷ What are the units?

100

3.95 cm x 4.239 cm

cm²

200

10.2 m² x 4.5 m 

m³

300

18.6 cm ÷ 4.23 cm 

no units, they cancel

400

41.98 mm² ÷12.73 mm

mm

500

16.0 m³ ÷ 2.0 m

m²

X/÷ Round to what place value?

100

3.95 cm x 4.239 cm

Hundredths

200

0.376 dm x 4.2 dm

Tenths

300

18.6 cm ÷ 4.23 cm

Tenths

400

4.4 dm x 12

Tenths (12 isn't a measurement)

500

16.395 m ÷ 6.1

Thousandths (6.1 isn't a measurement)

X/÷ Solve!

100

9.0 dm x 3.41 dm =

30.7 dm²

200

10.2 m² x 4.5 m = 

45.5 m³

300

41.98 mm² ÷12.73 mm =

3.30 mm

400

289.4 dm ÷ 12 dm = 

24 (no units, they cancel)

500

3.7 x 4 m³ =

15 m³ (3.7 isn't a measurement)