Unit 1 Math Review Smith

Fractions with unlike denominators

100

1/2  +  1/3

5/6

200

3/4  - 1/3 

5/12

300

7/8  -  2/3

5/24

400

9/10  +  5/6

104/60 or simplified to 1 11/15

500

6/7  -  7/11 

17/77

Order of Operations

100

3²+16x2

41

200

(200/25)²+10

74

300

900/30x2-5²

35

400

10⁵/100-500

500

500

14/7x10²-55

145

Prime Factorization

100

25

5x5 OR 5²

200

200

2x2x2x5x5 OR 2³x5²

300

416

2x2x2x2x2x13 OR 2⁵x13

400

675

5x5x3x3x3 OR 5²x3³

500

1000

5x5x5x2x2x2 OR 5³x2³

LCM

100

4 and 5 

20

200

3 and 7

21

300

4, 6 and 8 

24

400

3, 6, and 9

18

500

5, 10, and 15 

30

GCF

100

12 and 16

4

200

32 and 64

32

300

24, 36 and 48

12

400

20, 50, 100

10

500

18, 36, 42

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