Stars
Clouds
Sun
Sky
100

a number t plus 25

t + 25

100

a number n minus 100

n - 100

100

a number r times 16

16r

100

Divide c by 27

c/27

200

the sum of 37 and p

37 + p

200

the difference between a number w and 15

w - 15

200

multiply 240 and p

240 p

200

15 over w

15/w

300

938 increased by m

938 + m

300

subtract 90 from r

r - 90

300
The product of y and 45

45 y

300

Mathew has v apples. Mary has twice as many apples as Mathew. Mary  ______________

2 V

400

a number y more than 68

68 + y

400

1200 less than a number n

n - 1200
400

Mary is y years old. Pam is twice Mary's age. 

2y

400

Twice a number n added to 24

24 + 2n

500

79 added to a number k

k + 79

500

Lisa is y years old. Her sister Mary is 17 years less than Lisa. What is Mary's age?

y - 17

500

12 added to thrice a number n 

3n + 12

500

64 increased by the product of n and 2

64 + 2n