7th Grade Math

Equations

100

12 multiplied by a

12a

200

a number c divided by 4, minus 12

 c/4 - 12

300

14=d-9

d=23

400

17.2=q-8.4

q=25.6

500

3y+5=29

y=8

Integers

100

-16 + -10

-26

200

+11- +7

+4

300

+6 · -3 

-18

400

-3k=42

k=14

500

-12j - -3= -45

j=+4

GCF & LCM

100

8, 24

GCF=8

LCM=24

200

15, 20

GCF=5

LCM=60

300

9x, 12

GCF=3

LCM=36x

400

7x², 5xy

GCF=x

LCM=35x²y

500

e², 5e²

GCF=e²

LCM=5e²

Mean, Median, Mode, Range35, 43, 31, 43, 45, 52, 50, 43, 46

100

Find the range

Range=19

200

Find the mode

43

300

Find the median

Median=43

400

Find the mean

Mean=42

500

P(even, tails)

1/4

Mixed Numbers

100

Write 0.00067 in scientific notation.

6.7 x 10^-4

200

   2 and 5/6

17/6

300

15/4

3 and 3/4

400

5 and 3/4 + 2 and 1/3 =

8 and 1/12

500

6-4 and 3/5=

1 and 2/5