Adding and Subtracting
Multiplication and Division
PEMDAS
Math Club
100
-12 + 4
-8
100
-63 ÷ 9
-7
100
[-12 + (-4)] + 9
1
200
5/12 – 2/3
-1/4
200
-1,105.62 ÷ -24.3 (round to nearest thousandth)
45.499
200
(4 – 20) ÷ 22 – 5 • (-2)
6
300
-97 – (-35) – 10.6
-72.6
300
-2/3 ÷ 1 5/6
-4/11
300
Insert parentheses to make this true.
-6 ÷ (-2) + (-4) = 1
-6 ÷ [(-2) + (-4)]
300
A pencil and 5 paper clips weigh the same as 2 erasers. A pencil weighs the same as 29 paper clips. How many paper clips weigh the same as an eraser?
17
400
-20 – n = 50
-70
400
-2.5 • 2 1/5
-5.5
400
Simplify.
4(3n – 15) – n – 5
11n – 65
400
(11!-(9+1)(9!))/(8(7!))
900
500
|-3 1/2 + 7/8 – 16.2|
15.675 or 27/40
500
-6/7 • 1/2 ÷ -8.1
10/189 or 0.0529...
500
0.05 • 7.99 + 0.05 • 3.99
0.05(7.99 + 3.99)
0.599 or 60¢
500
Two fair six sided dice, with sides numbered 1 through 6, are rolled. What is the probability that the values on the top two faces add to at least 9? Write your answer as a fraction.
5/18