Vocabulary
Word Problems
Distributive Property
Solving Equations
Inequalities
100
Number in front of a variable
Coefficient
100
A student has less than 20 pencils in their backpack
Let x = the number of pencils
x < 20
100
2(x+3)
2x+6
100
2x+3=11
Find x
x=4
100
2x+1>7
x>3
200
A letter representing a number
Variable
200
A movie ticket costs $8 each, and a student can spend no more than $40
Let x = number of tickets
x<=5
200
3(x+4)
3x+12
200
3x-4=11
Find x
x=5
200
3x-5<=10
x<=5
300
A number alone (No variable)
Constant
300
Each notebook costs $3, and a student has at least $15 to spend.
Let x = number of notebooks
x>=5
300
5(x+2)
5x+10
300
2x+5=x+9
x=4
300
2x+4 > x+9
x>5
400
A number that gets "flipped"
Reciprocal
400
A teacher is making groups of 4 students, and there are at most 28 students
Let x = number of groups
x<=7
400
2(x+3)+4
2x+10
400
4(x+2)=20
x=3
400
3(x+1)<=12
x<=3
500
What mathematical property is represented here
Distributive Property
500
To participate in the annual sports day, Mr. Adams would like to have nine students in each group. But fewer than 54 students are in class today, so Mr. Adams is unable to make as many full groups as he wants. How many full groups can Mr. Adams make? Write the inequality that describes the situation.
Let x = number of groups
x<6
500
3(2x+5)-3
6x+12
500
3(x+2)-4=2x+5
x=3
500
2(x+3)-4 > x+6
x>4