FRACTIONS
What is a fraction?
Numerical value that is a part of a whole.
What is a percentage?
A portion of a whole is expressed as a number between 0 and 100 rather than as a fraction.
What is probability?
How likely something is to happen.
Numbers that have only 2 factors: 1 and themselves
What is algebra?
The branch of mathematics in which abstract symbols, rather than numbers, are manipulated or operated with arithmetic.
What is a numerator?
The number above the line in a fraction.
What is 25% of 80?
20
If two coins are tossed simultaneously, what is the probability of getting exactly two heads?
1/4.
Name the first 20 prime numbers?
2, 3, 5, 7, 11, 13, 17 and 19
Solve 2x=6.
x=3
What is a denominator?
The bottom number in a fraction.
50 is what percentage of 500?
10%
From a well-shuffled deck of 52 cards, what is the probability of getting a king?
113
Is there a formula for prime numbers?
No
Solve x+5=15.
x=10
What is a fraction bar?
Visual representation of fractions that helps in comparing fractions and carrying out operations with fractions.
What is 30% of 80?
24
Write the sample space for rolling two dice.
6.6
Is 20 a prime number?
No 20 is not a prime number.
Solve 2x-4=x-10.
x=-6
What does it mean to take a fraction of one whole?
When the whole is divided into equal parts, the number of parts we take makes up a fraction
What is 350 as a percentage of 500?
70 percent.
What is the definition of chance?
A possibility or probability of anything happening
What is the sum of the first 25 prime numbers?
1060.
x+20=45
x=25