Maths 1
1089 x 9 = ?
1 x 1089 = 1089 9801 = 9 x 1089 = 3^2 x 33^2
2 x 1089 = 2178 8712 = 8 x 1089
3 x 1089 = 3267 7623 = 7 x 1089
4 x 1089 = 4356 6534 = 6 x 1089
5 x 1089 = 5445
Round to the nearest hundredth.
4.762
4.76
Convert: 8 grams = ___ milligrams
8000 milligrams
Where was Gauss born?
Germany
7 x 11 x 13 = ?
1001?
Is 12,836,912,170,131,686,611 divisible by 13? Take groups of 3 from right to left, and then add/subtract them in an alternating way: 611 - 686 + 131 - 170 + 912 - 836 + 12 = -26, which is divisible by 13, so the original number is divisible by 13. This rule works for 7 or 11 as well? why?
What is the product of 1/3 and 2/5?
What is 2/15?
Write in decimal form: fifty and 8 thousandths
50.008
What is 7% as decimal?
0.07
What is Newton most known for?
Newton's three laws and Calculus
The first 5 digits of Pi are
3.1415926535897932384626433832795028841971693993
75105820974944592307816406286208998628034825342
Ramanujan’s Formula for Pi: pi = 9801/(1103√8) = 3.1415927300 ...
If the diameter of a circle is 20 cm. What is the radius?
10cm
What is the Greatest Common Factor (GCF) of 39 and 24?
3
148 students are going on a field trip. Each bus can carry 40 students. How many buses are needed?
4 buses
Described as the first pure mathematician, this Greek taught us that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the other two sides.
Pythagoras
-40 degrees F = ? degrees C
-40 degrees F = -40 degrees C
( -40 - 32 ) x 5 / 9 = ( -40 + 32) x 9 / 5
Write 4 1/3 as an improper fraction
13/3
Write 68/8 as a mixed number
8 1/2
111,111,111 x 111,111,111 = ?
What is 12,345,678,987,654,321?
Name one of the greatest mathematicians of all time.
Euclid, Archimedes, Pythagoras, Newton, Leibniz,
The Bernoullis, Euler, Gauss, Riemann, Poincaré,
Galois, Ramanujan, Gödel
Name one of the fields of math.
Algebra, Geometry, Number Theory, Statistics (Probability and Combinations)
Which of the following are prime numbers?
2, 4, 7 , 9 , 12, 15, 24, 29, 31, 39
2, 7, 29, 31
If Trevor came home from work at 3:15 in the afternoon, and he worked 6 hours and 30 minutes. What time did he start work?
8:45am
Write these numbers from Least to Greatest:
0.3, 1/4, 0.16, 1/2, and 0.382
0.16, 1/4, 0.3, 0.382, 1/2
What was the name of Euclid's book?
The Elements
If the Piano key A4 frequency is 440 Hz, what frequency is the key A5, whose tone is one octave higher?
880 Hz