3 x 7= ?
3 x 7 = 21
Is this the Distributive Property?
5x8=5x(4+4)
Each train can carry 20 cars. How many cars can 6 trains carry?
120
Complete the table
4 | 8
5 | __
6 | 12
7 | 14
8 | __
10, 16
n x 5= 45
n=9
4 x 4= ?
4 x 4= 16
Which equation shows the commutative property
(hint: the same but different)
a) 8x20=8x(10+10)
b) 5x60=5x(20+40)
c) 30x6=6x30
d) 9x(4+3)=9x7
c) 30x6=6x30
Heather's puppy has been gaining 3 pounds every month as he grows. If this pattern continues, how much weight will the puppy gain in 5 months?
15 pounds
What is the rule of the table?
3 | 18
4 | 24
5 | 30
6 | 36
add by 6
Multiply by 6
a x 7= 56 - 7
a=7
6 x 7= ?
6 x 7=42
Is this the commutative property?
8x(3+3)=8x5
No
A library has 48 shelves of fiction books. There are 6 shelves in each cabinet.
How many cabinets of fiction are in the library?
8
Bianca says the pattern for this table is "add 3." Is Bianca right?
1 | 4
2 | 8
3 | 12
4 | 16
5 | 20
No, add 4
y x 50= 350
y=7
8 x 8= ?
8 x 8=64
Break this apart using the distributive property
4 x 30
(4 x 10) + (4 x 10) + (4 x 10)
40 + 40 + 40
The camping club wants to rent rafts. Each raft can hold 8 people. Which Equation could be used to find how many rafts are needed for 32 people?
a) 8x32=___
b) 32x__=8
c) __x8=32
d) 32x8=__
c) __x8=32
Describe the pattern and complete the table.
3 | 240
4 | 320
5 | 400
6 | 480
7 | 560
add 80
multiply 80
7 x p = 630
p=90
12 x 9=?
12 x 9=108
The school assembly room has 5 rows of chairs with 20 chairs in each row. If the third-grade classes fill 3 rows of chairs, how many third-graders are at the assembly?
60
Anjelle planted 30 trays of flowers. Each tray held 8 flowers.
Cade planted 230 flowers.
Who planted more flowers? How many more?
Anjelle, 10 more
Complete the table
35 | 40
42 | __
__ | 56
35 | 40
42 | 48
49 | 56
6 x w= 514-33
w=80