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100
A letter or symbol that represents an unknown value.
Variable
100
5(c+4)=25
c=1
100
-6(3r-2)+6r
-12r-12
100
-6x-32=2x
x=-4
100
Will will be 63 years old in 17 years. How old is he now?
48 years old
200
Identify if these terms are Addition, Multiplication, Subtraction, Division. -per -times -of
Multiplication
200
Sam paid $3 for a fruit drink. He now has $8. With how much money did he start?
$11
200
8(1+2n)+10(6n+3)
38+76n
200
-5d+40=5d
d=4
200
A rate with a denominator of 1.
Unit Rate
300
Identify if these terms are Addition, Multiplication, Subtraction, Division. -more than -sum -plus
Addition
300
1 1/3(1/2n+1)
2/3+1 1/3
300
8(8+10b)-4
60+80b
300
32-5v=3v+8
v=3
300
Last week Lizzy ran 14.6 miles more than Leah. Lizzy ran 20.2 miles. How many miles did Leah run?
5.6 miles
400
You can add the same number to both sides of an inequality, and the inequality will still be true.
Addition Property of Inequality
400
p-6.9=-0.8
p=8.11
400
-2(7b+4)+8(2b-2)
2b-24
400
5/8a+6=3/4a
a=48
400
Bob wants to buy a shirt that costs $55.06. How much change does he receive if he gives the cashier $100.
$44.94
500
You can subtract the same number from both sides of an inequality, and the inequality will still be true.
Subtraction Property of Inequality
500
s+s+1/6=2/3
s=2/3
500
-0.7k-1.8(1.5-0.4k
.02k-2.7
500
20-1/5d=3/10d+16
d=8
500
A recipe for cookies calls for 3 1/3 cups of flour. Sara accidentally put in 5 5/6 cups. How many extra cups did he put in?
2 1/2