There are two piles of number cards. One pile has 5 cards and
one has 3 cards. The pile with 5 cards contains cards numbered
2, 4, 6, 8 and 13. The other pile contains cards numbered 1, 6
and 7. One card is picked randomly from each pile.
What is the probability that the sum of the numbered cards is
greater than 10?
HINT: Make an area model.
Pile #1
8/15
Pile #2
13
2
4
6
8
1
3 5 7 9 14 6
8 10 12 14 19 7
9 11 13 15 20 What is the probability of landing on 1 and then 3?
2
3
1
4
3/6 x 1/6 = 3/36
Annie can't decide which soda to drink. She decides to randomly
pick a can without looking. What is the probability that she will
pick a sprite or a coke?
2/7 + 3/7 = 5/7
If a fish is chosen and is not replaced before choosing another, what
is the probability that the two fish are green?
3/5 x 2/4 = 6/20
Two dice are rolled. What is the probability that both will land on 6?
1/6 x 1/6 = 1/36
A prize is rewarded if "tails" is flipped 3 times in a row on a coin.
What is probability of this happening?
1/2 x 1/2 x 1/2 = 1/8
Express 0.000713 in scientific notation.
7.13 x 10 -4
Mr. Goodman has the following wardrobe. How many outfit
combinations can be made?
4 x 3 x 5 = 60
Express 32,300 in scientific notation.
3.23 x 104
An area model is shown to represent the probability of each spinner
landing on a certain color.
Spinner 1
R
Spinner 2 Y
Spinner 3
R
B
Y
R
B
Draw what each spinner may look like.
B
R
R
Y
Y
R
B
Express 2.39 x 10 -6 in standard form.
0.00000239
Arrange these numbers from least to greatest.
1.3 × 104 1,300 ­1.3 × 102 1.3 × 10−3
13,000
1,300
-130
0.0013