Vocabulary
The numbers you get when you multiply a number by 1, 2, 3, 4, and so on.
a) factors
b) multiples
c) quotients
d) dividends
e) the commutative property
Multiples
16 x 0
0
Count by 5s until you reach 50
5, 10, 15, 20, 25, 30, 35, 40, 45, 50
Count by 10s until you reach 100
10, 20, 30, 40, 50, 60, 70, 80, 90, 100
Which property tells us that any number multiplied by 1 is that number?
The identity property
Choose the BEST option. Which of the following numbers is a product in 3 x 4 = 12?
a) 3
b) 4
c) both a and b
d) 12
12
A product is the RESULT of multiplying two numbers
0 x 1
0
7 x 5
35
7 x 10
70
Which of the following is a TRUE example of the identity property?
a) 3 x 1 = 1
b) 0 x 4 = 0
c) 6 x 1 = 6
c) 6 x 1 = 6
Choose the BEST option. Which of the following numbers is a factor in 4 x 6 = 24
a) 4
b) 6
c) both a and b
d) 24
C) both 4 and 6
Factors are the numbers that are multiplied
2 x 9
18
8 x 5
40
10 x 10
100
What property tells us that any number multiplied by zero is zero?
The zero property
Which property tells us that 6 x 3 = 3 x 6
The commutative property
Is 133 a multiple of 2?
How do you know?
133 is odd
133 does not end with 0, 2, 4, 6, or 8
5 x 6
30
10 x 4
40
Maya and Anna each buy some candy at the movies. Each box of candy costs $2. Maya buys 4 boxes and Anna buys 5 boxes. How much did they spend on candy all together?
- Find out how many boxes they bought
- Find out how much the boxes cost
They bought 9 boxes
9 x 2 = 18
$18
True or False
3 x 4 = 6 x 2
True
Both statements have the same value.
Is 54 a multiple of 2?
How do you know?
54 is even OR 54 ends with 4
Is 70 a multiple of 5?
How do you know?
70 ends with 0
All multiples of 5 end with 5 or 0
Is 110 a multiple of 10?
How do you know?
110 ends with a 0
All 10s facts end in 0
Ms. Smith and Mr. Bennet's classes are working on projects. Ms. Smith's class has 9 groups with 2 students in each group. Mr. Bennet's class has 5 groups with 4 students in each group. How many students are in BOTH classes combined?
*hint: find out how many students in each class first
Ms. Smith: 9 x 2 = 18 students
Mr. Bennet: 4 x 5 = 20 students
18 + 20 = 38 students