Rounding using number lines.

Today we continued talking about rounding using these tools:
LearnAlberta Rounding Decimals

Zoomable Number Line

Rounding Decimals Video & Games

Rounding Decimals
To round decimals you need to:

Look one place right...
Is it 5 or larger? Round up.
4 or smaller? Don't round up

1) Watch the following video
Khan Academy - Rounding to Tenths Video


2) Watch the following video
"Who's that knocking at my door?" "5 or more, raise the score, 4 or less, leave the mess"

3. Games to practice rounding decimals
EASIER - Rounding Decimals to Nearest Tenths Space Ship Game

HARDER - Rounding Decimals Scooter Game

Subtracting Games

Here are some links to practice subtracting decimals.

Don't forget to ask "What would I need to add?"

EASIER Subtracting Decimals (Match-up) 

HARDER Hotel Decimalfornia

HARDER Subtracting Decimals Soccer (Click on the soccer ball twice to shoot at the net)

HARDEST Subtracting Decimals Basketball (Use pencil and paper if you need to)