# 8.02 Order and compare length

Lesson

## Are you ready?

Can you order 2 or 3 digit numbers?

Order these numbers from largest to smallest.

1. $73,33,37$73,33,37

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2. $671,167,617$671,167,617

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## Learn

This video uses an example of tablet screen sizes and compares lengths using a number line.

### Apply

##### question 1

Glen is $165$165 cm tall. Valentina is $144$144 cm tall.

Who is taller?

1. Valentina

A

Glen

B

Valentina

A

Glen

B

## Learn

This video shows how we can compare numbers, if the unit of length are the same, to order by length.

### Apply

##### question 2

A shark is $6$6 m long, a boat is $19$19 m long, a dolphin is $3$3 m long, a ship is $25$25 m long and a whale is $14$14 m long.

1. Choose the list that puts the items you may find in the water from shortest to longest.

Dolphin, Shark, Whale, Boat, Ship

A

Whale, Dolphin, Ship, Boat, Shark

B

Dolphin, Shark, Whale, Boat, Ship

A

Whale, Dolphin, Ship, Boat, Shark

B

Remember!

As long as the units are the same, you can compare and order lengths in the same way as we compare numbers.

### Outcomes

#### VCMMG165

Use scaled instruments to measure and compare lengths, masses, capacities and temperatures