5.3 Even/Odd
Even or Odd?
56
Even
What makes a number composite?
It has more than 2 factors
Solve using the order of operations.
2 x (3 + 4 x 5)
46
24, 27, 30, 33
What's the rule and what is the 7th number?
add 3, 39
Show the prime factorization of 55
Even or Odd?
85
Odd
What makes a number prime?
The only factors it has are 1 and itself
Solve using the order of operations.
6 x (3 + 6) ÷ 3
18
56, 49, 42, 35,
What is the rule and what is the 6th number?
subtract 7, 21
Show the prime factorization of 63
3x3x7
Odd + Even = ?
Odd
Is 20 prime or composite? Why?
Composite - It has more than 2 factors (1, 2, 4, 5, 10, 20)
Solve using the order of operations.
8 - 4 ÷ 2 + 3 x 5
21
2 , 10 , 18 , 26 , 34 , 42
Which choice below follows the same rule?
A. 4 , 12 , 20 , 28 , 36 , 44
B. 6 , 11 , 16 , 21 , 26 , 31
C. 7 , 11 , 15 , 19 , 23 , 27
D. 2 , 8 , 14 , 20 , 26 , 32
A
Show the prime factorization of 72
2X2X2X3X3
True or False
Odd x Even = Even
True
Is 13 prime or composite? Why?
Prime - It only has 2 factors, 1 and itself.
Solve using the order of operations.
1 + 5 x (9 - 7) ÷ 2
6
3 , 8 , 13 , 18 , 23 , 28
Which pattern follows the same rule?
A. 6 , 10 , 14 , 18 , 22 , 26
B. 1 , 4 , 7 , 10 , 13 , 16
C. 10 , 15 , 20 , 25 , 30 , 35
D. 3 , 11 , 19 , 27 , 35 , 43
C
Show the prime factorization 99
3x3x11
True or False
Even x Even = Odd
List all of the factors of 12
1, 2, 3, 4, 6, 12
Solve using the order of operations.
9 x (4 + 6 ÷ 2)
63
10, 18, 26, 34, 42 ... Write the next three numbers in the pattern.
50, 58, 66
Show the prime factorization of 100
5x5x2x2