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Solving
Combining (Addition)
Combining (Subtraction)
More Combining plus Some
Mystery
100

8x = 72

What is x = 9

100
8a + 15a + a + 9
What is 24a + 9
100
21b - 11b - 10 - 12b
What is -2b - 10
100
-10(w + 5) + 17w + 31
What is 7w -19
100

This is the worlds largest bird

What is the ostrich? 

200

x + 64 = 36

What is x = -26

200
5(x + 7) + 3x
What is 8x + 35
200
12c - 6(c - 5)
What is 6c + 30
200
19a - 6b - 17a - 3b + 9b - 2a
What is 0
200
This is the year Columbus sailed the Ocean blue

When is 1492? 

300

4 x - 3 = 37

What is x = 10

300
12t + 8(2t + 4)
What is 28t + 32
300
5(z - 11) - 26
What is 5z - 81
300

This planet is the 5th farthest from the sun

What is Jupiter? 

300

The amount of colors there are in the rainbow

What is 7? 

400

-6x + 14 = - 28

What is x = 7

400
6p + 8(4 + 2p) + 2
What is 22p + 34
400
-7d - 8(-5 - d)
What is d + 40
400
-11(4r + 7q) + 20q - 19r
What is -63r - 57q
400

The name of Harry Potters pet owl

Who is Hedwig?

500

3(x - 5) = 24

What is x = 3

500
m + 5(4n + 5m) + 6n
What is 26m + 26n
500
-15j - 9(2k - 6j) - 18k
What is 39j - 36k
500

This letter is not included in any of the 50 U.S. state names

What is the letter Q? 

500

Apple is to Steve Jobs as Facebook is to this person

Who is Mark Zuckerberg?