Order of Operations
Use PEMDAS to solve:
15 + 8 / 2
19
What is a factor?
The numbers you can divide by
What is the GCF of 72 and 22?
2
What is a prime number?
a number that can be divided by any other number than 1 or itself
What is the LCM of 6 and 10?
30
Use PEMDAS to solve:
3 x 7 - 2 x 3
15
List the factor pairs for 56.
56x1, 8x7, 2x28
What is the GCF of 45 and 30?
15
What are the factors of 54?
2 x 3 x 3 x 3 OR 2 x 33
What is the LCM of 12 and 15?
60
Use PEMDAS to solve:
(15 - 10)2 + (15 - 5)2
125
List the factor pairs for 60.
60x1, 6x10, 30x2, 20x3, 15x4
What is the GCF of 15, and 27?
3
What are the factors of 108?
2 x 2 x 3 x 3 x 3 OR 22 x 33
What is the LCM of 24 and 36?
72
Use PEMDAS to solve:
{9 x (3 + 2) - 3 x (8 - 7)} / 6
7
List the factor pairs for 100.
100x1, 50x2, 20x5, 25x4, 10x10
What is the GCF of 15, 20, and 25?
5
What are the factors of 80?
2 x 2 x 2 x 2 x 5 OR 24 x 5
What is the LCM of 9 and 21?
63
Use PEMDAS to solve:
(24 x 5 + 8)/4
22
List the factor pairs for 24.
24x1, 4x6, 8x3, 12x2
What is the GCF of 28, 56, and 42?
14
What are the factors of 250?
2 x 5 x 5 x 5 OR 2 x 53
What is the LCM of 4, 18, and 12?
36