Christmas 6th Grade Math Review

Decimals

100

1.5 x 6

9

200

2.4 x 5.2 

12.48

300

8.5 + 4.05 + 16

28.55

400

18.6 divided by 3

6.2

500

45.27 divided by .9

50.3

Fractions

100

3/4 x 2/8 

3/16

200

3/4 divided by 2/8 

3

300

2 1/4 x 4 

9

400

2 3/4 divided by 3/4

3 2/3

500

8 3/6 divided by 2 1/2

3 2/5

GCF & LCM

100

least common multiple of 15 and 30 

30

200

Greatest common factor of 12 and 18

6

300

Least common multiple of 9 and 6

36

400

greatest common factor of 32 and 48

16

500

One machine washes clothes every 15 minutes and the other machine washes clothes every 20 minutes.  If they both start at the same time, how many minutes will it take for them to both start at the same time again

60 mins

Evaluate Expressions

100

12 + p, when p = 13

25

200

6 + 3 x 8

30

300

3 + 5² x 2

53

400

12 x 6 + 3³ 

99

500

4³ + 5³ x 3

439

Combining Like terms

100

5 (5x + 3)

25x + 15

200

2 (6n + 2) - 2

12n + 2

300

5p (6+ 3) - 2p

43p

400

16 (2y +3) - 5y

27y + 48

500

12 (6z+ 2) + 2z + 18

74z + 42