Rounding and Comparing Decimals

Rounding and Comparing Decimals

Rounding

Open Ended

What do you know about Rounding Decimals?

Rounding Decimals Cheat Sheet

This is what we use when rounding decimals. It is called the Rounding Rollercoaster.

Steps:

• Look at the digit you are rounding to

• Look at the neighboring digit

• Figure out if the neighbor is smaller than 5 or bigger than 5

Example 1

• Round to the nearest tenth

• 2.896

• 2.9

Multiple Choice

Round to the nearest tenth. 4.598

• 4.5

• 4.9

• 4.6

• 4.8

Example 2

• Round to the nearest hundredth

• 18.024

• 18.02

Multiple Choice

Round to the nearest hundredth. 10.123

• 10.1

• 10.12

• 10.13

• 10.11

Comparing

Open Ended

What do you know about comparing decimals?

Steps

• Make decimal places even/equal

• Look at your digits

Example

• 0.424 and 0.4

• Which sign should we use? < > =

• >

• Which one is greater?

• Which one is less?

Multiple Choice

Compare these 2 decimals. 8.94 and 8.943

• <

• >

• =

Practice

We are going to watch a Flocabulary video and do the vocab game together.