Vocabulary
What is the difference between equation and expression?
What is the equation has an equal sign and an expression does not.
Solve:
x+7=15
Show your work.
x=8
Solve:
2x+4=10
Show all work.
Solve:
4x−7=13
Show all work.
What is x=5
Tom has $5 more than twice the money that Jake has. If Tom has $15, how much does Jake have?
What is Jake has $5.
What is a variable?
What is an unknown quantity represented by a number.
Solve:
x-5=9
Show your work.
x=14
Solve:
3f−5=10
Show all work.
What is f=5
Solve:
2=x/3-1
Show all work.
What is x=9
You buy a burger for $6 and a drink. Your total is $10. How much was the drink?
What is the drink cost $4.
What is the inverse operation of division?
What is multiplication.
Solve:
4x=20
Show your work.
x=5
Solve:
x/4+2=6
Show all work.
What is x=16
Solve:
5d+2=10+3d
Show all work.
A number is divided by 2, then 3 is added. The result is 7. What’s the number?
What does it mean to 'isolate the variable'?
To get the variable alone on one side of the equal sign.
r/3=6
r=18
Solve:
5c+7=2c+22
Show all work.
What is c=5
Solve:
(w-3)/4=-2
Show all work.
What is w=-5
Lily spends $5 on a ticket and $3 per snack. She spends $14 total. How many snacks did she buy?
What is Lily bought 3 snacks.
Describe the importance of BEDMAS in solving two-step equations.
What is BEDMAS represents the order to solve an equation. When solving for a variable BEDMAS done in reverse decide the order to isolate the variable.
Solve:
4-2+7=a-1
Show your work.
a=14
Solve:
2(k+3)=14
Show all work.
What is k=4
Solve:
-3(c+2)=18
Show all work.
What is c=4
A student scores 5 points per quiz and has already earned 20 bonus points. If their total score is 45, how many quizzes did they take?
What is they took 5 quizzes.