Multiplication
Jim Purchased 5 packets of muffins. Each Pack contained 3 muffins. How many muffins did Jim purchase?
15 muffins
There are 56 children are playing soccer this year. They are placed on 8 teams with the same number of children on each team. How many children are on each team?
Answer: 7 children on each team
Dara couldn't remember the product of 7x9. She decided to break the array for 7x9 into two multiplication combinations. Which expression(s) could be used?
A. 4x5 and 3x4
B. 7+4 and 7+5
C. 9x2 and 9x5
D. 2x9 and 5x9
C. 9x2 and 9x5
and/Or
D. 2x9 and 5x9
Remember the communitive property. The numbers can be reversed in multiplication
Select which statements are true.
A. Every multiple of 3 is also a multiple of 6
B. Every multiple of 6 is also a multiple of 3
B. Every multiple of 6 is also a multiple of 3
Which of the following could be represented with a division expression?
A. Carlita practiced basketball for 5 days in a row. Each day she practiced for 2 hours. How many hours did Carla practice?
B. Kai practiced soccer for a total of 6 hours a week. He practiced the same amount of time on 3 different days. How long did Kai practice each day?
B is the division problem.
6 hours of practice DIVIDED BY 3 days = 2 hours of practice each day
Yasif is tryin to find the product of 9 and 7. Which is a correct strategy?
a. 5x5 + 4x2
b. 9x7 + 7x9
c. 5x7 + 4x7
c. 5x7 + 4x7
Sarah did not know the answer to 63 divided by 7. Help Sarah!
Which statement(s) is correct?
A. I know that 7x9 = 63, so 63 divided by 7 must be 9
B. I know that 63 divided by 7 can be solved using repeated subtraction.
C. I know that 7x10 = 70. If I take away a group of 7, that means that I have 7x9 =63. So, 63 divided by 7 is 9.
All statements are correct
Benjamin needed to by oranges to make juice. He bought 6 bags of oranges with 5 oranges in each bag. Which expression can be used to find the total number of oranges Benjamin bought?
A. 6+5 B. 6x5
C. 6-5
B. 6x5
Hint: Use your multiplication chart!
What multiple am I describing?
The one's place value alternates from 5, 0, 5, 0
The number also has the pattern of Odd, Even, Odd , Even
The multiples of 5
The bagel shop had 79 plain bagels, 87 raisin bagels and some blueberry bagels. There are a total of 241 bagels.
Write an equation to find the total number of blueberry bagels.
79 + 87 + B = 241
OR
B = 241 - 79 - 87
A. What is another name for repeated addition?
B. Write an multiplication equation for the following:
5+5+5+5+5+5+5
A. Multiplication
B. 5x7 = 35
There are 14 children in the gym. Each child needs a partner for the three-legged race. How many pairs will there be?
Write a division equation using P to represent the number of teams.
14 divided by 2 = P
10 = ? divided by 2
20
Fact Family!
2 x 10 = ? (20)
Fill in all the numbers below
56, __ , 48, 44, __, __, __
56, 52, 48, 44, 40, 36, 32
The key is 4
When the numbers are going up we ADD 4
When the numbers are going down we SUBTRACT 4
Fiona has 36 pencils. She wants to share them equally between herself and 3 brothers. How many pencils should each person get?
36 divided by 4 = 9
Question 1 : 3 x 6 = ?
Question 2: ? x 5 = 35
Question 3: ? DIVIDED by 3 = 21
1. 18
2. 7
3. 63
Lina had 60 candy bars. She wants to share them equally between herself and 2 friends. How many candy bars does each person get?
A. 30
B. 20
C. 62
B.
60 divided by 3 = 20
There are 3 people in this problem!
Which expression could you use to find W in the equation
32 divided by 4 = ?
A. 4 x 8 B. 4 x 6 C. 4x9
A. 4 x 8 = 32
Jamal's favorite restaurant had 18 tables.
- The tables are in equal rows.
- 6 tables are in each row.
How many rows of tables are in Jamal's favorite restaurant?
3
Draw a picture. Draw an Array!!
Add 6 tables in each row until you get to 18 tables total
Also: 18 divided by 6 = 3.
On the counter, the florist has 7 vases with 4 flowers in each vase. How many flowers does the florist have on the counter?
4 x 7 = 28
Ms. Chang wants to rearrange the desks into rows.
- There are 30 desks
- She wants 5 rows of desks
How many desks will Ms. Chang put in each row?
6 Desks go in each row
5 x 6 = 30 desks
Idlewild Elementary School had 24 third graders in the math class.
They are taking a field trip to a museum and want to have students in equal groups.
What size groups could they make?
2 groups of 12
12 groups of 2
4 groups of 6
6 groups of 4
3 groups of 8
8 groups of 3
7 x ? = 7
1
Sonya noticed a pattern when looking at the multiples of 2, 5, and 7 on a multiplication chart.
Which of the following is something Sonya may have noticed?
A. In each row, if you multiply the multiple of 2 by the multiple of 5, you get the multiple of 7
B. If you add the multiple of 2 and the multiple of 5, you get the multiple of 7 in the same row.
B.
The principle must set up 50 chairs in the media center for a parent meeting. Which equation could she use to find the number of chairs in each row if she puts the chairs in 5 rows?
A. 50 + 5 = 55 B. 50 x 5 = 250
C. 50 Divided by 5 = 10
C. 50 Divided by 5 = 10