Equations and Expressions Jeopardy

Equations

100

Find the missing value of the variable:

x + 3 = 7

x = 4

200

Find the missing value of the variable:

4w = 48

w = 12

300

Find the missing value of the variable:

w/6 = 12

w = 72

400

Find the missing value of the variable:

15y = 165

y = 11

500

x² = 64

x = 8

Equivalent Expressions

100

Are 3x + 1 and 2x + 2 equivalent expressions? Explain your thinking.

They are not equivalent expressions because they will not always give the same result for every value of the variable.

200

Are x and 1x equivalent expressions?

Yes they are equivalent expressions because they give the same result for every value of the variable.

300

Are x + x + x and 3x equivalent expressions?

They are equivalent expressions because they give the same result for every value of the variable.

400

Are 4x and 4^x equivalent expressions?

They are not equivalent expressions because they do not give the same result for every value of the variable.

500

Are x³ and (x)(x)(x) equivalent expressions?

They are equivalent expressions because they give the same result for every value of the variable.

Distributive Property

100

Use the distributive property to simplify:

3(2x + 4)

6x + 12

200

Use the distributive property to simplify:

4(5x - 1)

20x - 4

300

Use the distributive property to simplify:

4(2x-6)

8x-24

400

Factor this expression:

7(2-x)

14-7x

500

Factor this expression:

27(x + 3)

27x + 81

Exponents & Stuff

100

Evaluate 3².

9

200

Evaluate 3⁴ - 4³.

17

300

Evaluate 6x³ if x = 3.

162

400

Evaluate

2w + w(w)

 if w =4.

24

500

Evaluate

12/r - 1.5

r=2

.

4.5

Miscellaneous

100

What is the sum of 4 added to thrice a number?

3y+4

200

Solve if n =3

4n² - 7 

29

300

If Joe sold 42 boxes of candy in 3 hours how many did he sell in 5?

70

400

What is the cost of 3.5 lbs of hamburger if 2 lbs cost $3.12?

$5.46

500

Solve for m:

(2m² +6) /4 = 14

m=5