Zero Property
What is 8 x 0 ?
0
What is 9 x 1?
9
Fill in the blank: 5x12=(5x10) + (5x__)
2
Which property is shown? (2x3) x 4 = 2 x (3x4)
Associative
Which property is shown? 6 x 8 = 8 x 6
Commutative property
Fill in the blank: ____ x 47 = 0
0
Fill in the blank: ___ x 1 = 36
36
Use the distributive property to complete: 7x24 = (7x20) + (7x___)
4
Fill in the blank: (5x2) x 7 = 5 x (___x 7)
2
Fill in the blank: 13 x 8 = ___ x 13
8
True or False: 125 x 0 = 125
True or false: 1x248 =248
True
Complete the equation
4 x 13 = (4 x 10) + (4 x ___)
3 because 13 was broken apart into 10 + 3
a) 4 x (8 x 5)
b) 8 x (4 + 5)
c) 4 x (8 + 5)
A
Without calculating both, are 27 x 6 and 6 x 27 equal?
Yes
Mia says, "If one factor is zero, the product is always zero." Is she correct? Explain.
Yes, any number multiplied by zero equals zero
A student says 376 x 1 = 1. Identify the mistake and give the correct product.
376
a) (6 x 20) + (6 x 4)
b) (6 x 20) + 4
c) (6 x 2) + (6 x 4)
a because 24=20+4, and the 6 gets multiplied by both parts
Use the associative property to make 25 x 4 x 7 easier to solve.
(25 x 4) x 7 = 100 x 7 = 700
Rewrite 4 x 63 by using the commutative property.
63 x 4
Without multiplying, determine the value of 8,472x36x0x19
0
Fill in the missing factor and name property. 72x15x___ = 72x15
1, Identity Property
Use the distributive property to solve:
7 x 15
Hint: Break 15 into 10 + 5
(7 x 10) + ( 7 x 5)
70 + 35 = 105
Regroup 5 x 17 x 2 x 6 to make it easier to solve. Then find the product.
(5 x 2) x (17 x 6) = 10 x 102 = 1020
A student knows that 24 x 15 = 360. Without multiplying again, use the commutative property to find the answer to 15 x 24.
360