Name________________________________
Bell Ringer Week of October 29, 2012
1. Write two factors and a product for the
5. Write a math sentence for the division model
model below.
below. SOLVE.
∙
÷
=
=
2. Multiply: 4
2
3
∙
2
1
7
6. Divide:
=
2
2
5
÷
1
15
3. Simple Probability
=
You spin the spinner, what is the probability of
landing on an odd number? Write your answer as
a ratio and as a percent.
7. Independent Probability
What is the probability of rolling a number less
than 4 on a numbered cube and landing on tails
P ( odd number) =
when tossing a coin?
%
4. Kenneth's mom buys a 10 pound bag of candy
x
=
for Halloween. Kenneth and his sneaky friends
𝟑
𝟒
eat 2 pounds of candy before Halloween. How
8. Stacie is making cookies for the party.
much candy is left for the Trick or Treaters?
The recipe calls for 3
𝟏
𝟒
cups of flour. She will be
making three batches of cookies. How much
flour will she need?
Name________________________________
9. Write two factors and a product for the
13. Write a math sentence for the division model
below. SOLVE.
model below.
÷
=
∙
=
10. Multiply: 6 x 3
x
14. Divide:
4
1
5
÷7
1
3
=
=
15. A bag contains five red marbles and seven
11. Dependent Probability
blue marbles. You pull one marble out of the bag
The gumball machine contains
10 red gumballs
5 blue gumballs
6 yellow gumballs
and replace it before pulling out a second
marble. What kind of event is this?
A
Independent
B
Dependent
C Both
4 green gumballs
You have enough money to buy two gumballs.
What is the probability that the first gumball
will be a yellow and the second gumball will be
blue ?
x
=
16. A bag contains 5 marbles. Without looking,
you pick a marble with you right-hand and then
pick a marble with your left-hand. What kind of
event is this?
A
Independent
17. Subtract:
12. Add:
1
4
+
3
8
𝟑
𝟒
B
-
𝟏
𝟔
Dependent
C Both