Subtraction
56+39
7 * 12
84
What is x?
2x + 7 = 12
x=3
Kangaroo math, level 5 and 6, for 3 points (2010)
B)
Levels 3 and 4 for 4 points (2010)
B) 14
181-357
-176
186 / 3
62
Simplify
(2x - 6) + (-3x + 10)
x + 4
sqrt(289)?
17
C) Wednesday
29 + -80 + 122
71
17 * -49
-833
Solve for x in terms of y (Isolate x)
2x + 3y - 5 = 10
x = (-3y + 15) / 2
If I roll two dice (1-6), what are the chances that I roll a 10?
1/12
Levels 7 and 8 for 4 points (2013)
B) 45
16820 + 57987 - 22222
52585
3591 / 7
513
Simplify the expression.
(12x - 10) - (20x + 5) + (4x +7)
-4x - 8
Find the mean of the following numbers:
14,19,30,73,201,8,43
55.43 or 55 +(3/7) or 388/7 for half credit.
Levels 9 and 10 for 3 points (2013)
D) 7.
10000 - (-83107) - 100000 + 9999
3,106
(-3 * -4(83/2))/6
83
Solve for x and y
5x + 12y = 53
3x - 4y = 29
x = 10, y = 1/4
Factor for x.
(2x^2) - 3x - 5
x=5, x=-2
Levels 9 and 10, for 4 points. (2024)
(C) 4