Converting Centimeters to Millimeters

Mrs. Tree Awful introduces a lesson on measurement using millimeters. The video explains how to convert centimeters to millimeters, emphasizing that there are 10 millimeters in a centimeter. The lesson includes practice examples with objects like a paperclip, pencil, nail, and screw, demonstrating the conversion process by multiplying by 10. The video concludes with encouragement to continue practicing measurement using millimeters.

What is the main topic of today's lesson?

• Geometry and shapes

• History of mathematics

• Measurement using millimeters

• Addition and subtraction

How many millimeters are there in one centimeter?

• 15 millimeters

• 10 millimeters

• 20 millimeters

• 5 millimeters

What is the abbreviation used for millimeters?

• ml

• cm

• mt

• mm

If a paperclip is 4 centimeters long, how many millimeters is it?

• 50 millimeters

• 20 millimeters

• 30 millimeters

• 40 millimeters

What is the first step in converting centimeters to millimeters?

• Add 5

• Multiply by 10

• Subtract 2

• Divide by 10

A pencil is 15 centimeters long. How many millimeters is this?

• 160 millimeters

• 170 millimeters

• 140 millimeters

• 150 millimeters

How do you convert 9 centimeters to millimeters?

• Multiply by 5

• Add 10

• Multiply by 10

• Subtract 5

If a nail is 9 centimeters, what is its length in millimeters?

• 80 millimeters

• 110 millimeters

• 90 millimeters

• 100 millimeters

A screw is 6 centimeters long. How many millimeters is this?

• 50 millimeters

• 60 millimeters

• 70 millimeters

• 80 millimeters

What is the key takeaway from the lesson on converting centimeters to millimeters?

• Always multiply by 10

• Always add 10

• Always divide by 10

• Always subtract 10