Multiplication
Division
Greater or Less than
PEMDAS
Mystery
100
15 x 20
300
100
300 / 20
15
100
20 / 3 <=> 14 / 2
20 / 3 < 14 / 2
100
(12- 9)2+(8÷4)
8
100
Who invented math
Sumerians
200
10 x 40
400
200
24 / 4
6
200
10 < = > 3
10 > 3
200
(7 - 2) + (16÷8)
7
200
What is the letters called in math
Variables
300
0 x 50
0
300
3x = 20
6.6
300
5 > = < 8
5 < 8
300
(20-43) ÷ (10 - 6)
-5.75
300
When was math invented
1800 BC
400
20 x 15
300
400
300 / 15
20
400
3x-4>x-3
X > 0.5
400
(64 - 27) ÷ (17 + 3)
1.85
400
207
500
10x x 40x
400x
500
0 / 3
0
500
-5x+25>10
X < 3
500
(32-2) ÷ 5-2
4
500
How much is 100 dollar bill worth
100 dollars