Describe the likelihood of an outcome, using such terms as more likely, less likely, chance.
Problem
You have 5 red tiles and 5 yellow tiles. You can place some or all of the tiles in a bag. How many different ways can this be done so that it is more likely to draw a red than a yellow?
Manipulative
Materials: color tiles, paper bag
Place 3 red and 3 green tiles in a bag.
Which of the following would make it more likely to draw green?
add 1 red
add 2 blue
add 1 green
remove 2 red and one green
Place 5 red and 4 green tiles in a bag.
Which of the following would increase your chance of drawing a red?
remove a green
add 1 red and 1 green
remove 1 red
add 2 yellow
Write a sentence to describe how you know whether or not you are increasing your chance of drawing red.
Game
Materials: two blank dice, bingo chips
Create two dice like the ones shown.
On your turn, select a die and roll it. Take as many chips as the value rolled.
Continue until you reach or pass 20. If you go over 20, on your next turn take away from your set as many chips as the value rolled.
Players continue adding or removing according to their rolls until one player hits 20 exactly. This player is the winner.
