Mental Math
5 x 7
35
What is the probability of rolling an even number on a 6 sided die?
3/6 or 1/2
What is the distance around a circle called? (i.e. the perimeter)
circumference
+1 - 1 is what property?
the zero property
What is the name of the small number located above our base number?
an exponent
10 + 10 + 2 + 2 - 4
20
What is experimental probability?
Conducting an experiment multiple times to see how likely it is that an event will occur
3.14 is also known as...
pi
5 + (-4) = ?
1
What does an exponent tell us to do?
Tells us how many times we should multiply the base by itself (e.g. 5^2 means multiply 5 by 5)
11 x 7
77
What is theoretical probability?
Mathematical analysis of an event that states its likelihood (e.g. 1/6 chance of rolling a 6)
What is the formula for circumference?
pi x diameter
7 - (-7) = ?
14
4, 9, 25, 36, 49, 64, etc. are all examples of what?
perfect squares
160 - 99
61
1/4
what is the formula for the area of a circle?
A = pi x radius2
It is minus 4 degrees out. It warms up by 10 degrees. Then a cool breeze brings the temperature back down 3 degrees. What is the temperature?
+3 degrees
53 = ?
125
472 + 68
540
What is 1/5 x 2/3?
2/15
What is the name of the measurement that refers to half of the diameter?
radius
5 + (-9) is the same as __ - __
5 - 9
What is the square root of 64?
8