Zeros, Ones, and Tens
12 x 1= ?
12
Which property tells us that 9 x 0= 0?
Zero Property for Multiplication
8 x 2= ?
16
When multiplying by 9, the numbers in the ones and tens digit will always add up to ____.
9
9 x 10= ?
90
What is the answer to a multiplication problem called?
Product
4 x 5= ?
9 x 4= ?
36
When multiplying any number by 0, the product is always going to be _______.
0
The two numbers that are being multiplied are called the ______.
Factors
When multiplying by 2, we know that the product will always end in a ___, ___, ___, ___, or ___.
0, 2, 4, 6, or 8.
9 x 6= ?
54
What is the pattern that we use when multiplying by 1?
It always equals the other number.
Which property tells us that 7 x 1=7?
Identity Property for Multiplication
If the product of any number times 5 ends in a zero, then we know that the other number is _____.
even
Why can't 67 be a product when multiplying by 9?
6 + 7 does not equal 9.
What do you do to find the product when multiplying by 10?
Write the other factor in the 10s place and a 0 in the ones place.
6 x 4 =24 and 4 x 6= 24 is an example of
The Communicative Property of Multiplication
17 x 5 = 80. Without multiplying, how do we know that this answer is incorrect?
The product has to end in 5 since 17 is odd.
9 x 8= ?
72