Arithmetic (No Calculators!)
3 + -5
-2
Simplify 2/4
1/2
3x - 5 + 2x +3
5x + 2
3x = -27
x = -9
-27x = 3
x = -1/9
-3*-2
6
Write 3/10 as a decimal.
0.3
4 (2a - 19)
8a - 76
6x - 1 = -19
x = -3
Bonus question!
If you worked every second of every day at minimum wage, how long would it take you to earn a billion dollars?
15735 years, 1 month, 5 days, and 16 hours.
4 - (-5)
9
What is 3 and 1/5 as an "improper" fraction?
16/5
3 - 5 (2r + 3)
-10r - 12
1 + 2(2x + 5) = 16
x = 5/4
x = 1.2
3x - 1 + 5x - 4 = 11
x = 2
-2(3)+5(4)
14
Write 7/3 as a mixed number.
2 and 1/3
2(8n - 5) + 4(3 - 4n)
2
2 (8x + 4) = 0
x = -1/2
x = -.5
8 (9n - 14) + 12 = 620
n = 10
(1/3) รท (2/5)
Yep, that's a divide symbol...
5/6
Which is the biggest?
49/100
3/5
0.523791
3/5
Bonus bonus question!
What superhero was on the poster in the front of the room?
Superman.
2(3x + 1) - 5(4x + 5) - 2 = -291
x = 19
Alright, you asked for it...
2 + 8 (8x - 1) - 14 (4x + 1) + 1 = 81
x = 25/2
x = 12.5