Show:
LCM, GCF,
Prime Fact.
Exponents
PEMDAS
Decimals
Fractions
100

What is the GCF of 28 and 49?

7

100

20x20x20x20x20x20x20

20 to the 7th power 

100

((14 + 3) + (20-2)2) + 52

366

100

Write 75,000 in scientific notation

7.5x104

100

3/4+5/7

41/28

200

What is the LCM of 6 and 9?

18

200

square root of 81

9

200

24 รท 4 x 6

36

200

5.4-3.258

2.142

200

4 1/8 x 7 3/11

30

300

What is the prime factorization of 48?

2x2x2x2x3

300

26

64

300

8/2x3+42/4

16

300

9.475 X 8.03

76.08425

300

2 1/4 /  3/4

3

400

What is the GCF of 30, 60, 78?

6

400

35+120

242
400

24(5.2-3.2)/4

8

400

26/6

4.3333333333333333

400

6 2/9 / 5 5/6 

16/15

500

A geyser erupts every fourth day. Another

geyser erupts every sixth day. Today both

geysers erupted. In how many days will both

geysers erupt on the same day again?

12 days 

500

square root of 169

13

500

72-2(11/8-3/8)

47

500

8.6/0.356

25

500

A bag contains 42 cups of dog food. Your dog

eats 2 1/3 cups of dog food each day. IS there

enough food to last 3 weeks? Yes or no and How

many days?

No, only 18 days