Factors
Is the number 270 divisible by 2, 3, 5, 9, or 10?
It is divisible by all of them!
53
5x5x5 = 125
Evaluate for a = -2 and b = 3.
(a x b)2
(-2 x 3)2 = (-6)2 = -6 x -6 = 36
Simplify the fraction. The first number is the top number over the second number.
2/8
1/4
Write the number in scientific notation:
43,000,000
4.3 x 107
List the factors of the number 64.
1, 2, 4, 8, 16, 32, 64
a4 x a
a5
Evaluate for a = -2 and b = 3.
a3b
-23 x 3 = -2 x -2 x -2 = -8 x 3 = -24
Simplify the fraction. The first number is the top number over the second number.
4/16
1/4
Write the number in scientific notation:
0.00000000099
9.9 x 10-10
Complete a factor tree for 42. What are the prime numbers in the factor tree?
You should have a tree with the prime numbers 2, 3, and 7.
b8
___
b11
b8 1
___ = b-3 = ____
b11 b3
Evaluate for a = -2 and b = 3.
b3 x b0
33 x 30 = 3 x 3 x 3 = 27 x 30 = 27 x 1 = 27
Simplify the fraction. The first number is the top number over the second number.
44/52
11/13
Write the number in standard notation:
9.3 x 108
930,000,000
Name five prime numbers.
2, 3, 5, 7, 11, 13, 17, 19, 23...
2(22 + 33)
2 x 2 = 4
3 x 3 x 3 = 27
2(4 + 27) = 2(31) = 62
Evaluate for x = 4 and y = -3.
xy
__
5x
4 x -3 = -12 = -3
_____ ____ ____
5 x 4 = 20 = 5
Simplify the fraction. The first number is the top number over the second number.
15/63
5/21
Write the number in standard notation:
3.812 x 10-7
0.0000003812
Find the greatest common factor 56 and 96 share.
8
(6 + -2)2
_________
2
(6 + -2)2 = (4)2 = 16 / 2 = 8
Evaluate for x = 4 and y = -3.
(y)2 - x
____
5
(-3)2 - 4 = 9 - 4 = 5
_______ _____ _____ = 1
5 = 5 = 5
Simplify the fraction. The first number is the top number over the second number.
8m4n2/40mn
1m3n/5
Multiply and write in scientific notation:
(8.3 x 106)(3 x 105)
2.49 x 1012