There are 4 bags of oranges on the table. Each bag has 2 oranges in it? How many oranges are there altogether?
There are 8 oranges altogether.
200
List the first 5 multiples of the number 4.
The first 5 multiples are 4, 8, 12, 16, and 20.
200
What multiplication fact is represented by the equal groups shown below?
X X X X
X X X X X X XX
4 X 3
200
What multiplication problem will help you solve this repeated addition problem?
2 + 2 + 2 + 2 + 2 + 2
2 x 5 = 10
200
What property is shown below?
9 x 1 = 9
Identity Property of Multiplication
200
Sarah has 5 friends. She gives each friend 3 stickers. How many stickers is she giving to her friends in all?
She is giving out 15 stickers.
300
What is the missing factor in this problem?
3 x ___ = 15
The missing factor is 5.
3 x 5 = 15
300
Michael has 3 dogs. To show how many paws they have in all, what will your equal groups look like?
How many groups?
How many in each group?
You can draw 3 groups of 4 or 4 groups of 3.
300
What is 5 x 6?
30
300
What property is shown below?
(6 x 2) x 3 = 6 x (2 x 3)
Associative Property of Multiplication
300
Four monkeys ate some bananas for a snack. Each monkey had six bananas. What is the total number of bananas that they ate?
They had 24 bananas total.
400
Is the number 25 a multiple of 2? How do you know?
NO! Multiples of 2 are all even numbers.
ex: 2, 4, 6, 8, 10, 12....
400
Which array shows 2 x 7 = 14
A.) x x x x x x x
x x x x x x x
or
B.) x x x x x x x x x
x x x x x
Choice A shows an array to represent 2 x 7 = 14.
(Choice B has 14 x's but they are not in even rows and columns.)
400
What is 3 x 8?
24
400
What property is shown below?
4 x 9 = (4 x 4) + (4 x 5)
Distributive Property of Multiplication
400
There are four groups of desks in our classroom. Five desks are at each group. How many students can sit at a desk in our classroom?
There are enough desks for 20 students.
500
What is the missing factor?
(2 x 3) x 4 = 2 x (__ x 4)
The missing factor is 3.
500
Which array matches the equal groups drawn here?
x x x x x x x x x x
x x x x x x x x x x
A.) x x x x x
x x x x x
x x x x x
x x x x x
or
B.) x x x x
x x x x
x x x x
x x x x
x x x x
Both A AND B represent the equal groups. 4 rows of 5 AND 5 rows of 4 are both acceptable ways to draw this array.
500
What is 9 x 4?
36
500
What is missing?
6 x 8= (6 x 3) + (6 x ___)
The missing factor is 5.
500
CHALLENGE!!!!!
There are 7 third grade classes. Each class has about 20 students in it. Approximately how many students are there in third grade at Welch Elementary?