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100

What is the only even prime number

2

100

What is the LCM of 10 and 20?

20

100

364 + 25 =

389

100

write 23/100 as a decimal

.23

200

64/70 times 10/8

1/7 

200

52963 - 152 =

52811

200

true to false:

25 x 7 = 245

False: 175

200

what is the GCF and LCM of 45 and 90 

GCF: 45

LCM: 90

300

4 is what percent of 8

50%

300

What number is in the tens place: 6524

2

300

What is the place and value of the 5 in 32.5?

tenths and 5/10

300

100,000 - 7,777

9223

400

30% of 90

27

400

order from least to greatest:

1.5,  0.3,  7.5,  5.1,  3.6

0.3, 1.5, 3.6, 7.5 

400

what are the factor pairs of 27?

Is it prime or composite 

1x27

3x9

composite

400

what is the study of numbers?

arithmetic 

500

What is the GCF of 12 and 30?

6

500

252 x 3

756

500

What is the prime factorization of 24?

2x2x2x3

500
convert 23/12 into an mixed number:

1  11/12

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