PreMathcounts 1 Jeopardy!

PEMDAS

100

2 + (3 x 4)

24

200

5 x 8 + 2

42

300

4(3²) + 5

41

400

30 x 2 + 8 - 5(4)

48

500

2(4²) - 7(3) + 9²

92

Negation

100

-3 x 2

-6

200

-5(3-(-4))

-35

300

-631 + (114 + 631)

114

400

What is the sum of all the negative integers that are greater than -5?

-10

500

-10 + (-9) + (-8) + ... + 9 + 10 + 11 + 12

23

Exponents

100

3² x 3¹

27

200

(2³)²

64

300

(5-2)² + (2-5)²

18

400

4^-2(48)

3

500

For what positive integer n is n² = 2⁶

8

GCF & LCM

100

GCF[9,36]

9

200

GCF[48, 72]

24

300

LCM[14,21]

42

400

GCF[42, 63]

21

500

LCM[27, 63]

189

Ratios

100

Simplify: 20:8

5:2

200

There are 10 boys in a class of 25 students. What is the ratio of girls to boys?

3:2

300

Simplify: 3/5:1/10

6:1

400

Two numbers are in the ratio 3:8. Their sum is 44. What is the greater of the two numbers?

32

500

A father left 280 acres of land to be divided among his sons Al and Bob in the ratio 4:3. How many acres should Al recieve?

160 acres