Trading Math

Question 1

100 shares x $0.10

Answer 1

$10

Question 2

200 shares x $0.10

Answer 2

$20

Question 3

300 shares x $0.10

Answer 3

$30

Question 4

400 shares x $0.10

Answer 4

$40

Question 5

500 shares x $0.10

Answer 5

$50

Question 6

600 shares x $0.10

Answer 6

$60

Question 7

700 shares x 0.10

Answer 7

$70

Question 8

800 shares x $0.10

Answer 8

$80

Question 9

900 shares x $0.10

Answer 9

$90

Question 10

1,000 shares x 0.10

Answer 10

$100

Question 11

1,500 shares x 0.10

Answer 11

$150

Question 12

2,000 shares x $0.10

Answer 12

$200

Question 13

3,000 shares x $0.10

Answer 13

$300

Question 14

4,000 shares x $0.10

Answer 14

$400

Question 15

5,000 shares x $0.10

Answer 15

$500

Question 16

100 shares x $0.05

Answer 16

$5

Question 17

200 shares x $0.05

Answer 17

$10

Question 18

300 shares x $0.05

Answer 18

$15

Question 19

400 shares x $0.05

Answer 19

$20

Question 20

500 shares x $0.05

Answer 20

$25

Question 21

600 shares x $0.05

Answer 21

$30

Question 22

700 shares x $0.05

Answer 22

$35

Question 23

800 shares x $0.05

Answer 23

$40

Question 24

900 shares x $0.05

Answer 24

$45

Question 25

1,000 shares x $0.05

Answer 25

$50

Question 26

1,500 shares x $0.05

Answer 26

$75

Question 27

2,000 shares x $0.05

Answer 27

$100

Question 28

2,500 shares x $0.05

Answer 28

$125

Question 29

3,000 shares x $0.05

Answer 29

$150

Question 30

3,500 shares x $0.05

Answer 30

$175

Question 31

4,000 shares x $0.05

Answer 31

$200

Question 32

4,500 shares x $0.05

Answer 32

$225

Question 33

5,000 shares x $0.05

Answer 33

$250

Question 34

100 shares x $0.15

Answer 34

$15

Question 35

200 shares x $0.15

Answer 35

$30

Question 36

300 shares x $0.15

Answer 36

$45

300 x 0.10 = 30
Add an extra 1/2 of 30
30 x 1/2 = 15
30 + 15 = 45

Question 37

400 shares x $0.15

Answer 37

$60

400 x 0.10 = 40
40/2 = 20
40 + 20 = 60

Question 38

500 shares x $0.15

Answer 38

$75

500 x 0.10 = 50
500 x 0.05 = 25
50 + 25 = 75

Question 39

600 shares x $0.15

Answer 39

$90

600 x 0.10 = 60
600 x 0.05 = 30
60 + 30 = 90

Question 40

700 shares x $0.15

Answer 40

$105

Question 41

800 shares x $0.15

Answer 41

$120

Question 42

900 shares x $0.15

Answer 42

$135

Question 43

1,000 x $0.15

Answer 43

$150

1,000 x 15 = 15,000
Add in the decimal point = 150.00

Question 44

1,500 shares x $0.15

Answer 44

$225

1,500 x 0.10 = 150

1,500 x 0.05
Bump decimal left one digit on BOTH sides
150.0 x 0.5 = 75

150 + 75 = 225

Question 45

2,000 shares x $0.15

Answer 45

$300

2,000 x 0.10 = 200

2,000 x 0.05
Bump decimal left one digit on BOTH sides
200.0 x 0.50 = 100

200 + 100 = 300

Question 46

2,500 shares x $0.15

Answer 46

$375

2,500 x 0.10 = 250

2,500 x 0.05
Bump decimal left one digit on BOTH numbers
250.0 x 0.50 = 125
Same as 250/2 = 125

250 + 125 = 375

Question 47

3,000 shares x $0.15

Answer 47

$450

3,000 x 0.10 = 300

3,000 x 0.05
Bump decimal left one digit on BOTH numbers
300.0 x 0.5 = 150
Same as 300/2 = 150

300 + 150 = 450

Question 48

3,500 x $0.15

Answer 48

$525

3,500 x 0.10 = 350

Break up 3,500 into 2 easy parts (3,000 and 500)
3,000 x 0.05
500 x 0.05
Move decimal left one digit on BOTH numbers
300 x 0.5 = 150
50 x 0.5 = 25

150 + 25 = 175
175 + 350 = 525

Question 49

4,000 shares x $0.15

Answer 49

$600

4,000 x 10 = 40,000
4,000 x 5 = 20,000

40,000 + 20,000 = 60,000

Convert back to dollars
60,000/100 = 600

Question 50

4,500 shares x $0.15

Answer 50

$675

4,500 x 0.10
Move decimal left one digit on BOTH numbers
450 x 1 = 450

4,500 x 0.05
Move decimal left TWICE on BOTH numbers
45 x 5 = 225

450 + 225 = 675