Measurement: Length

Unit 102 measurement and Standard Units

What we will cover

Length - measuring how long things are.
Time - finding what time of day it is.
Weight/Mass - measuring how heavy things are.
Capacity - measuring amounts of liquid.
Temperature - measuring how hot things are.

Length

Length is a measure of how long things are
We also use words like:
distance - how far apart things are.
width - how wid things are.
height -how tall or high things are.

Open Ended

Can you give me real life examples of when we might need to know the length of something?

By Melissa Ramsay

​https://www.youtube.com/watch?v=vifGKn8E_vw

Click on the link below to watch the video

By Melissa Ramsay

https://www.youtube.com/watch?v=XzhKc6jD0ws

Click on the link below to watch the video

By Melissa Ramsay

Based on the videos what do you remember?

Open Ended

Tell me something you remember.

Can you answer the following questions.

Multiple Choice

Which unit of measurement is the smallest unit?

• kilometers

• centimeters

• millimeters

• meters

Multiple Choice

Which unit of measurement would you use to measure the distance from your home to town?

• kilometers

• centimeters

• miillimeters

• meters

Multiple Choice

Which unit of measurement would you use to measure how deep a pool is?

• kilometers

• centimeters

• miillimeters

• meters

Multiple Choice

Which unit of measurement would you use to measure your school desk?

• kilometers

• centimeters

• miillimeters

• meters

Multiple Choice

Which would you use to measure the length of a book?

• centimeters

• kilometers

• miillimeters

• meters

Open Ended

What tools do you use to measure length?

Multiple Choice

What is the definition of length?

• the amount of space an object takes up.

• the amount of matter in an object

• the distance from one point to another.

• the force of gravity of a object.

Multiple Choice

How many millimeters are in 1 centimeter?

• 10

• 100

• 1

Multiple Choice

How many meters make 1 kilometer?

• 10

• 100

• 1

• 1000

Multiple Choice

How many centimeters are in a meter?

• 10

• 1

• 1000

• 100

Units of Measurement

1 cm = 10 mm ......................

1 m = 100 cm .....................

1 km = 1000 m ​....................

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9 cm = 90 mm

4.5 m = 4500 cm

3 km = 3000 m ​

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Multiple Choice

7 cm = ? mm

• 0.7

• 7

• 70

• 700

Multiple Choice

1500 m = ? km

• 1.5

• 1500

• 0.015

Multiple Choice

800mm = ?cm

• 0.8

• 8

• 80

Comparing Lengths

Suppose I had 2 pieces of rope ...which is longer?

Some text here about the topic of discussion