Algebra
The most common math variable
x
Complete the pattern
1 , 3 , 5 , 7 , __
9 (Odd)
Adolf has 12 circular coins of the same kind. He stacks them in a way that is one above the other. What shape is formed by this arrangement?
Cylinder.
Simplify 60% into its simplest fraction
3/5
What is the Greek letter that denotes the measure of an angle?
Theta
If x = 3 - 2x
Solve for x
x = 1
Complete the pattern
1 , 4 , 9 , 16 , __
25 (Square)
What do all angles in a rhombus sum up to?
360 degrees.
I have 12 red marbles and 7 blue socks, what is the % chance that I will pull out an orange sock
0%
3, 11, 17, 23, 31 and 67 are all examples of?
Prime Numbers
If x = 2 , and y = 4,
What is ( x + y )2
36
Complete the pattern,
2 , 3 , 5 , 7 , __
11 (Prime)
Perpendicular lines meet each other at an angle of ____ degrees.
90 degrees.
In a deck of cards without jokers (52 cards), what is the fraction chance I pull out a picture card?
12/52 or 3/13
Which 3 different numbers have the same answer whether they are added or multiplied together?
1,2,3
Solve for x and y in the simultaneous equations
x + y = 12
x - y = 8
x = 10
y = 2
Complete the pattern
1 , 1 , 2 , 3 , 5 , __
8 (Fibonacci)
The three angles of a quadrilateral are 78°, 76° and 128° respectively. Find the fourth angle.
78°
If I shoot an apple 5 times, and each shot has a 15% chance of missing it, what is the % chance I hit it all 5 times? (4 s.f.)
44.37%
How many seconds are in one day?
86400 seconds
Tim thought of a number. He added 2, and squared the result. He then subtracted 10 and halved the result. He ended up with 27.
What was Tim's original number?
Sarah was stacking cups. Each row of cups has one more cup than the one above it (As in, the top row has 1, the one below it has 2 etc.)
If there are 28 cups in total, how many rows are there?
There are 7 rows
A tank is 6 m long, 3 m wide and 4 m high. How many litres of water can the tank hold?
Note: 1m^3=1000L
72000 Litres.
If I roll 2 fair 6-sided dice, what is the fractional chance for the sum of the top number to be 6 or greater?
26/36 or 13/19
☺+☺+☺ = 120
♫ + ☺ = 70
✩ + ♫ + ☺ = 90
☺ = ? ♫ = ? ✩ = ?
☺ = 40 ♫ = 30 ✩ = 20