fraction to decimal
decimal to fraction
simplify
probability
Cecil
100

convert 2/5 to decimal

0.4

100

convert 0.2 to fraction

1/5

100

Multiply 2/3 . 1/2

2/6 or 1/3

100

A bag with 2 red marbles, 3 yellow and 1 purple. What is the probability of getting purple marble?

P(Getting Purple) = 1/6

100

Cecil started from point A and moved according to the expression 8 + (-5) +7 +6 + (-7) + 5 + (-8). What one additional step does cecil need in order to return to the starting position?

The total is 6, so -6 will return to start.

200

Convert 30/20 to decimal

1.5

200

convert 0.4 to fraction

2/5

200

Rewrite this as addition problem

5 (3)

3+3+3+3+3 =15

200

A bag with 5 red and 3 white marbles. What is the probability of not geting red marble?

P (not red) = 3/8 

200

What is one-sixth of 24?

4

300

convert 3/12 to decimal

0.25

300

convert 0.75 to fraction

3/4

300

Rewrite this as addition problem

3(-2)

(-2)+ (-2) + (-2) = -6

300

Carmen is drawing a card from a standard deck of playing cards. What is the probability that she will draw a heart?

13/52 = 1/4

300

Simplify

-32 + |10 +2|

-20

400

convert 4/5 to decimal

0.8

400

convert 0.3 to fraction

3/10

400

Multiply 

1 1/3 . 1  1/2

2

400

What is the probability of not drawing a club from the standard deck of cards?

39/52 or 3/4

400

What happens if Cecil goes any number of feet in one direction and then goes the same number of feet the other direction? Where does he end up? How do you know?

He will return to his starting position.Each foot to the right is "undone" by each foot to the left.

500

convert 11/22 to decimal

0.5

500

convert 0.391 to fraction

391/1000

500

Multiply

3   1/3  * 2  1/2

8   1/3

500

A bag has 8 red, 7 blue , 9 yellow and 12 green tiles. What is the probability of getting yellow tile?

9/36 = 1/4

500

For Cecil's new act, his tight rope is 5 feet long.

If he begins at point A, write 2 expressions that will make him end at pointB. What do these expressions have in common?

Answers vary. Example 7 + (-2) and 3+2