Estimating Digits

The metal is 7.1 cm long

• 7 is the estimated digit
• 1 is the estimated digit
• 7 is the uncertain digit
• Both 7 and 1 are estimated digits

volume?

• 48 mL
• 48.2 mL
• 48.25 mL
• 4 mL

Volume?

• 63.5 mL
• 63 mL
• 63.55 mL
• 6 mL

Why is a beaker not a good measuring tool?

• holds too much liquid
• too many lines
• not many lines
• has a weird shape

Which is the more precise measurement?

• 4 mL
• 4.3 mL

Tags

CCSS.3.MD.A.2

How many significant figures does the following number have: 0.998005

• 9
• 10
• 6
• 5

How many significant figures does the following number have: 100.00210

• 7
• 5
• 10
• 8

How many significant figures does the following number have: 14.600

• 2
• 5
• 4
• 7

How many significant figures does the following number have: 1740200

• 2
• 1
• 3
• 5

length?

• 3.2 cm
• 3.12 cm
• 3 cm
• 3.219 cm