Order of Operations
8+12÷4
11
Write an expression for:
9 more than 15
15+9
46x7
322
84÷7
12
How is an expression different from an equation?
An expression is a math phrase without an equal sign, while an equation has an equal sign
18-3x4
6
Write an expression for:
5 times the sum of 4 and 3
5x(4+3)
125x24
3,000
735÷5
147
A class is going on a field trip. There are 156 students who need to be divided equally among 12 busses. How many students will ride each bus?
156÷12=13
24÷(2+4)x3
12
Write an expression for:
8 less than the product of 6 and 9
6x9-8
308x16
4,928
928÷8
116
Which expression has a value of 48?
a. 6x5+8
b. 6x(5+3)
c. 6+5x8
d. (6+5)x3
B. 48
30-6÷3+5
33
Write an expression for:
The quotient of 48 and 6, increased by 10
48÷6+10
642x37
23,754
624÷26
24
A student solves: 20+12÷4=8
If the student correct?
No, division comes before subtraction
Solve and explain which operation you do first:
7+4x(9-6)÷2
Parentheses first
13
Write an expression for:
The difference between 50 and 14, multiplied by 3
(50-14)x3
1,205x46
55,430
2,638÷21
125 R 13
A school orders 24 boxes of pencils. Each box contains 36 pencils. The school wants to divide all the pencils equally among 8 classrooms. How many pencils will each classroom recieve?
Each classroom receives 108 pencils.
(24x36)÷8=108