Scroll through the examples and press 'start' to start the event scrolling up and down the probability scale. Invite students to the board to click the screen to stop the even in the correct position. Revel the fraction using the buttons and split the probability scale into fractions using the 'fraction' button to see if the even it accurately placed. Includes student activity worksheet.

Initially, click on the lego bricks to break them down into smaller percentage proportions. Once all 6 base blocks are revealed, click on them stack up the required percentage. Scroll through the examples and uncover the base building blocks by cliking on the covers. Once all base builing blocks have been revealed, build the required percentage by clicking on each block to stack them up.

Dynamically change the problems in this PowerPoint using the up/down buttons. Click on the +/- symbol to add or subtract the equations and click on the green area to see the equations combine. Reveal the solutions by clicking the covers.