Math Review #1

Dividing

100

837 / 27

31

200

1,380 / 12

115

300

36.4 / 2

18.2

400

43.407 / 14

3.1005

500

57.8 / 3.4

17

Multiplying

100

0.6 x 0.4

0.24

200

13.91 x 6

83.46

300

5.1024 x 12

61.2288

400

5 x 14.51

72.55

500

4.25 x 1.75

7.4375

Prime Factorization

100

List ALL the factor pairs for 30

1, 30

2, 15

5, 6

10, 3

200

List all the factor pairs for 24

1, 24

2, 12

3, 8

4, 6

300

Using a factor tree, write the prime factorization for 60

2x2x3x5 

400

Using a factor tree, write the prime factorization for 48.

2x2x2x2x3

500

Using a factor tree, write the prime factorization for 86. 

2x43

GCF

100

Find the GCF of 36 and 48

12

200

Find the GCF of 30 and 75

15

300

Find the GCF of 16 and 56

8

400

Find the GCF of 54 and 90

18

500

Find the GCF of 14, 28 and 49

14

LCM

100

Find the LCM for 36 and 48

144

200

Find the LCM for 16 and 56.

112

300

Find the LCM for 30 and 75

150

400

Find the LCM for 54 and 90

540

500

Find the LCM for 14, 28, and 49

196