Wrong or Right
(4+5)x10=100
Wrong, the correct answer is 90
What part do you solve first?
5x3+4=?
5x3 is what should be solved first, then 15+4 is next, then the answer is 19
What does PEMDAS stand for in math?
P- Parentheses ()
E- Exponents x2
M- Multiplication axb
D- Division a/b
A- Addition a+b
S- Subtraction a-b
Place these in the right order.
E, S, D, P, A, M
PEMDAS
Solve the problem!
9-5+6/3=?
6
60/(42+18)x0=0
Right, the correct answer is 0
What part should be solved second?
8x18/4+15=?
The first part is 8x18=144
The Second part is 144/4=36
The third part is 36+15=51
Making the answer 51
What does addition mean?
The action or process of adding something to something else
What does Subtraction mean?
the process or skill of taking one number or amount away from another
Solve the problem!
(6x4)/3-6+2=?
4
(67-18)+7x3=70
Right, the correct answer is 70
42x(8-3)=?
The First part is (8-3)= 5
The second part is 42= 16
The third part is 16x5=80
What does Multiplication mean?
- The act or process of multiplying
- Is an operation where a number is added to itself a number of times.
What does division mean?
The action of separating something into parts or the process of being separated.
Solve the problem!
8x(3x2-4)+10=?
26
52-8=18
What part of the problem do you do last?
(7+6-2)+9=?
The first part is (7+6)=13
The second part is (13-2)=11
The third part is 11+9=20
The answer is 20
What does Parentheses mean?
Parentheses are these symbols (). Parentheses are used to group numbers, operations, or variables together in math.
What does exponent mean?
An exponent is a number written above and to the right of a mathematical expression called the base.
x2
Solve the problem!
22x9/3=?
12
(7x8-4)+(6-2)=56
Right, the correct answer is 56
What part of the problem do you solve second?
6x3-10-5=?
The first part is 6x3=18
The Second part is 18-10= 8
The third part is 8-5=3
The answer to this problem is 3
What does the order of operations mean?
The order of operations is a rule that tells the correct sequence of steps for evaluating a math expression.
What are the 4 orders of operations?
1.) Parentheses
2.) Exponents
3.) Multiplication and Division (from left to right)
4.) Addition and Subtraction (from left to right)
Solve the problem!
32+(2+12x2)-16/4=?
31