Number 3.5

Place value

Choose six decimals (two with 3 decimal places, two with 2 decimal places, and two with 1 decimal place). Order them, label them with their place value and represent them using decimal squares. Explain how you ordered the decimals in a poster, a glog, or as I have done here, a Photostory.

Adding, subtracting and multiplying fractions and decimals

You will need to develop a video that shows how you play this game that involves adding, subtracting and multiplying fractions.

Ratios

Use the ratios 1:2, 1:3, 2:3, 1:4 and 3:4 to write a story like this one…

Errors

‚óŹ identification of calculation errors resulting in unreasonable results

Ordering Positive and Negative Numbers

Play the following games, and do a screencast of you playing the games, all the way through, explaining how to play the game.

Negative numbers games – three levels, a good place if you’re a bit confused about negative numbers. Start at level one please!

Number balls -A little bit harder.