Vocabulary
Which property tell us that if you multiply a number by ZERO, the product will be ZERO.
Zero Property
What strategy ADDS the same number REPEATEDLY?
Repeated Addition
What is 10-6?
4
What is 2 x 0?
0
What is the missing number?
2, 4, ___, 8, 10
6
Which property tells us that if we multiply a number by one, the number stays the same.
Identity Property
Groups that have the SAME number of items are called ________.
Equal Groups
What is 20-18?
What is 5 x 3?
15
What is 5 x 4?
20
3 x 5 = 15
Which two numbers are the FACTORS?
3 and 5
A set of objects arranged in rows and columns is called ______.
Array
What is 17 + 3?
20
What is 7 x 8?
56
Continue the sequence:
3, 6, 9, 12, 15, ____, _____
18 and 21
Which property states that you can change the ORDER of the FACTORS in a multiplication problem in any way without changing the PRODUCT?
Commutative Property
4 hops of 5 equals ______
20
What is 20 - 4?
16
What is 6 x 20?
120
Write the repeated addition sentence for 3 x 7 = 21.
7 + 7 + 7 = 21
Which property states that you can GROUP the FACTORS in a multiplication problem in any way without changing the PRODUCT?
Associative Property
3, 6, 9, 12, 15
What multiplication equation can we write using these numbers?
5 x 3 = 15
Fill in the blank: 12 + _____ = 20
8
What is 8 x 80?
640
Write this sentence as a multiplication equation.
4 + 4 + 4 + 4 = ____ x ____ = ____
4 x 4 = 16