Numbers
Properties
Find X!
Order Matters
Mystery Qs
100
What kind of number is -6?
It is an integer
100
a x b = b x a is an example of the __________ property.
Commutative property.
100
3X - 10 = 14. What is X?
X = 8
100
3 + 4 x 5 - 10 = _______
= 13
100
A jar contains 6 red marbles and 4 green marbles. What is the probability that you will pick a red marble if you select one marble from the jar?
= 0.6 OR 60% OR 6/10
200
What kind of number is 1.333....?
It is a rational number.
200
a x ____ = 1
1/a
200
What is X? X/10 = 6/30
X = 2
200
-2 x (1 - 6) + 7 = _______
= 17
200
What are the next two numbers in the sequence: 3, 6, 12, 24, _____, _____?
48 and 96.
300
∏ is what kind of number?
It is an irrational number.
300
Simplify the expression: 4(Y - 3) + 2Y + 3
= 6Y - 9
300
-5(X + 2) = 25. What is X?
X = -7
300
(4/2) x 12 - 8 x 2 = ____________
= 8
300
The two legs of a right triangle are 3 inches and 4 inches. What is the hypotenuse of the triangle?
Hypotenuse = 5 inches.
400
-17/19 is a _____________ number.
It is a rational number.
400
The Associative property can be stated as: (a x b) x c = _____________
= a x (b x c)
400
6X - 2 + 7 - 4X = 55. What is X?
X = 25
400
-5 x 3 + 7 x 2 = ________
= -1
400
Which has the greater area: a) a rectangle with side lengths 6 cm and 15 cm, or b) a triangle with base 22 cm and a height of 8 cm?
the rectangle. Rectangle area = 90 sq-cm while triangle area = 88 sq-cm.
500
Square Root(81) is a _________ number.
It is a whole number (or integer).
500
5 x ( 7 + 10) = (5 x 7) + (5 x 10) is an example of what property?
The distributive property.
500
Solve for X: 4X + 5 = 8X + 15
X = - 5/2
500
(6 - 2) x 3 - 2 = ________
= 10
500
Four people are in a meeting and they all shake hands with each other exactly once. How many handshakes occur?
There are 6 handshakes.
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