Show:
order of operations
adding and subtracting fraction
adding and subtracting integers
probability/percent of a number
mean, median, mode and range
100

6x6+17=

53

100

2/6+3/6=

5/6

100

-86 - 71=

-157

100

There are 4 blue pens, 5 red pens and 1 black pen in a hat what is the probability of pulling a black pen.

10%

100

what is the mean of       2,7,9,3,4

5

200

27+(5x6)

57

200

3/4-1/4=

2/4 or 1/2

200

-69+36=

-33

200

what is 80 percent of 36

28.8

200

what is the median of        9,2,6,7,4

6

300

5x(6+5)=

55

300

7/9-3/9=

4/9

300

95+(-63)=

32

300

what is 30 percent of 94

28.2

300

what is the range of     9,3,1,6,8

8

400

54+(9x6)=

108

400

1 2/7+ 1 3/7=

2 5/7

400
95-(-45)=

140

400

what is 60 percent of 78

46.8

400

what is the mode of    1,4,7,4,8

4

500

(23+12)+(14x5)=

105

500

1 2/5+1 4/5=

3 1/5 

500

66+(-140)=

-74

500

the are 11 pens, 4 books, 7 balloons, 18 ping-pong balls and 10 pencils what is the probability of pulling a balloon.

14%

500

what is the mean of    11,9,12,16,14,4

11