8. Measurement

Lesson

Can you order 2 or 3 digit numbers ?

Order these numbers from largest to smallest.

a

73,33,37

Worked Solution

b

671,167,617

Worked Solution

Idea summary

We can use a place value table to help us order 2 and 3 digit numbers.

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

Glen is 165 cm tall. Valentina is 144 cm tall. Who is taller?

Worked Solution

Idea summary

When plotting numbers on a number line, the number to the right is the larger number.

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

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

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

A

Dolphin, Shark, Whale, Boat, Ship

B

Whale, Dolphin, Ship, Boat, Shark

Worked Solution

Idea summary

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

measures, records, compares and estimates lengths, distances and perimeters in metres, centimetres and millimetres, and measures, compares and records temperatures