Section 5.1
This number is the largest number that is a factor of two or more natural numbers.
What is the greatest common divisor?
Evaluate |-2|.
2
reduce 28/45 to lowest terms
4/5
What is the irrational number that represents the circumference of a circle divided by the diameter of the circle?
π (pi)
Given {0.1, √ 64, 0, -9, √ 5, π, 2.7, 3/4}
Which are natural numbers?
√64
Is 44122 divisible by 10?
No, the last digit is not 0.
Find -2+(-8)
-10
-1/4 ÷ 7/8
2/7
Simplify √ 64 *10
8√ 10
Given {0.1, √ 64, 0, -9, √ 5, π, 2.7, 3/4}
Which are whole numbers?
√64, 0
What is the greatest common divisor of 28 and 42?
14
Evaluate (-8)-3(-5)
-23
(1/3-1/4) ÷ 5/8
2/15
Simplify √ 200
10√ 2
Given {0.1, √ 64, 0, -9, √ 5, π, 2.7, 3/4}
Which are integers?
√64, 0,-9
What is the prime factorization of 20?
22 * 5
evaluate -92
-81
reduce 100/50 to lowest terms
2
What is 8√ 2 -- 3√ 2
5√ 2
Given {0.1, √ 64, 0, -9, √ 5, π, 2.7, 3/4}
Which are rationals?
√64, 0,-9, 2.7, 3/4, 0.1
What is the least common multiple of 84 and 56?
168
Evaluate:
-4(2-4)2
-16
evaluate 4/3-1/6
7/6 or 1 1/6
What is (14√ 13) -(13√ 13) +(13√ 13)
14√ 13
Give an example of a number that is rational but not an integer
Any fraction or ending decimal will work here.