Unit 8 Jeopardy

Variables and Expressions

100

Write a numerical expression for:

4,273 decreased by 72

4,273 - 72

200

How do I write an expression for the sum of 42 and a number? 

42 + x

300

Write this as an expression: BONUS 600 Points

3 times the sum of 45 and 15

3 x (45 + 15) 

400

Write an expression:

Four times the difference of 39 and 12

4 x (39-12) 

500

I have half of the sum of 24 and 42. How do I write this as an expression?

(24 + 42) / 2

Order of Operations

100

What does the "s" in PEMDAS stand for? 

subtraction 

200

BONUS: 400 Points

Solve. 20−6×2+10−4 

14

300

Solve. 6+(10−4)×2÷4+3 

12

400

Solve. 8+12÷3×2−4 

12

500

Solve. (8+4)×3−6÷2+5 

38

Evaluating Expressions (decimals)

100

BONUS DOUBLE YOUR POINTS

[1.5+(2.4×3)]÷2−1.1

3.25

200

Solve. 

(5.5+4.5)×2−6

14

300

Solve. 

3.5+1.2×4−2.4÷3

7.5

400

Solve. 

[2.5+(3.5×2)]−4.5

5

500

Solve. 

(2.5+3.6)×2−4.8÷1.2

8.2

Patterns and Relationships

100

Surprise Bonus: 400 point free question!!!!

400 points

200

• Rule A: Start with 100 and add 5 each step.

• Rule B: Start with 95 and add 5 each step.

• Make a table that shows this with 4 steps

A: 100, 105, 110, 115, 120

B: 95, 100, 105, 110, 115 

300

What is the rule for this table? 

*slide 3

b -10

400

What is the rule for this table? 

* slide 2

a x 4

500

What is the rule for this table? 

*Slide 1

a - 13