What is the E in PEMDAS?
Exponents like 32
Solve:
3 x 4 + 9 / 3
1st: 3x4 = 12
2nd: 9/3 = 3
3rd: 12 + 3 = 15
Final Answer is 15
Solve:
82 + 5 x (5 - 3) + 2
1st: (5-3) = 2
2nd: 82 = 64
3rd: 5 x 2 = 10
4th: 64 + 5 = 69
5th: 69 + 2 = 71
Final answer is 71
Solve:
(9 + 33 – 6 ) ÷ 6 – 32
1st: 9+33 = 42
2nd: 42-6 = 36
3rd: 32 = 9
4th: 36 / 6 = 6
5th: 6 - 9 = -3
Final answer is -3
What would be your FIRST step in this problem?
82 + 5 x (5 - 3) + 2
(5-3) - parentheses
What do the MD stand for in PEMDAS?
multiplication and division
Solve:
7 + 4 x 3 - 9
1st: 4 x 3 = 12
2nd: 7 + 12 = 19
3rd: 19 - 9 = 10
Final answer is 10
Solve:
30 - (3+2) x 22 + 5
1st: (3+2) = 5
2nd: 22 = 4
3rd: 5 x 4 = 20
4th: 30-20 = 10
5th: 10 + 5 = 15
Final answer is 15
Who dis?
Pooh Bear!
What would be your FIRST step in this problem?
30 - (3+2) x 22 + 5
(3+2) - parentheses
What does the AS stand for in PEMDAS?
addition and subtraction
Solve:
(20 + 5) + 10 / 5
2nd: 10/5 = 2
3rd: 25 + 2 = 27
Final answer is 27
Solve:
(9 + 2 x 2) - (42 - 10)
1st: (42) = 16
2nd: (2x2) = 4
3rd: (9 + 4 ) = 13
4th: (16-10) = 6
5th: 13 - 6 = 7
Final answer is 7
Solve:
(9 + 2 x 2) - (42 - 10)
1st: (42) = 16
2nd: (2x2) = 4
3rd: (9 + 4 ) = 13
4th: (16-10) = 6
5th: 13 - 6 = 7
Final answer is 7
What would be your SECOND step in this problem?
82 + 5 x (5 - 3) + 2
82 - exponents
What is the P in PEMDAS?
Parentheses ()
Solve:
62 - 10 x 2
1st: 62 = 36
2nd: 10 x 2 =20
3rd: 36-20 = 16
Final answer is 16
Solve:
(82 + 22) / 2 + 6 - 6
1st: 82= 64
2nd: 22=4
3rd: 64+4 = 68
4th: 68 / 2 = 34
5th: 34 + 6 = 40
6th: 40-6 = 34
Final answer is 34
Solve:
(82 + 22) / 2 + 6 - 6
1st: 82= 64
2nd: 22=4
3rd: 64+4 = 68
4th: 68 / 2 = 34
5th: 34 + 6 = 40
6th: 40-6 = 34
Final answer is 34
What would be your SECOND step in this problem?
30 - (3+2) x 22 + 5
22 - exponent
If you have addition AND subtraction in a problem - how do you know which to do first?
HINT: You go from _____ to _______
You work from left to right - you do whatever is farthest left first
Solve:
102 - 32 -11
1st: 102 = 100
2nd: 32 = 9
3rd: 100-9 = 91
4th: 91-11 = 80
Final Answer = 80
Solve:
(17 – 3 ) x (14 – 6 ) – 22
1st: 17-3 = 14
2nd: 14-6 = 8
3rd: 14 x 8 = 112
4th: 112 - 22 = 90
Final answer is 90
Solve:
(17 – 3 ) x (14 – 6 ) – 22
1st: 17-3 = 14
2nd: 14-6 = 8
3rd: 14 x 8 = 112
4th: 112 - 22 = 90
Final answer is 90
What should be your FIRST step in this problem?
(9 + 2 x 2) - (42 - 10)
42 - parentheses and then exponent inside parentheses