# FTCE Math part 1

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FTCE Math part 1

(side 2)

### MULTIPLICATION _______ X _______ = _______ ?

FACTOR X FACTOR = PRODUCT

### DIVISION _______ / _______ = _______ ?

DIVIDEND / DIVISOR = QUOTIENT

No

Yes

### What are Whole Numbers?

0, 1, 2, 3, 4, 5,...

### What are Prime Numbers?

A Prime Number cannot be divided evenly by any number (except 1 or itself).

### What are Composite Numbers?

A Composite Number can be divided evenly by numbers other than 1 or itself.

Neither

### What are Positive and Negative Integers?

Positive integers are all the whole numbers greater than zero: 1, 2, 3, 4, 5, ... . Negative integers are all the opposites of these whole numbers: -1, -2, -3, -4, -5,

### What are Even Integers?

Even integers are integers that can be divided evenly by 2, for example, -4, -2, 0, 2, 4, ... An even integer always ends in 0, 2, 4, 6, or 8.

### What are Odd Integers?

An odd integer always ends in 1, 3, 5, 7, or 9

### What are Rational Numbers?

A rational number is a number that can be written as a simple fraction

### Fraction - Which is the Denominator?

The bottom part of a fraction. For 3/4 the denominator is 4.

### Fraction - Which is the Numerator?

The top part of a fraction. For 3/4 the Numerator is 3.

### What are Equivalent Fractions?

They are fractions that have the same overall value. Ex: 3/4 = 9/12

### What are Prime Factors?

"Prime Factorization" is finding which prime numbers you need to multiply together to get the original number. Ex: 12 = 2 × 2 × 3

### What are Decimals?

Rational numbers written using base-10 place-value system. Each digit has a face and place value.

### How do you convert a Fraction into a Decimal?

Divide the Numerator by the Denominator. Ex: 3/5 = 0.6

### How do you convert Percentage?

50% = 50/100 = 1/2, 1% = 1/100, 125% = 125/100 = 1 1/4

### More examples of Percents:

25% = 0.25, 32% = 0.32, 45.5% = 0.455, 8% = 0.08

### What are Irrational Numbers?

An Irrational Number is a real number that cannot be written as a simple fraction. Ex: Square Root of 2, 3, 24, 10, 41

### What are Real Numbers?

All numbers on the number line. This includes (but is not limited to) positives and negatives, integers and rational & irrational numbers, square roots, cube roots , π (pi), etc.

### What is a Decimal Number that terminates?

A Rational Number

### What are Exponential Notations?

It simplifies numbers by getting rid of zeros. 3x3x3x3 = 3 to the 4th power: 3^4. 3x3x3x3=81

### What are Scientific Notations?

Scientific notation is simply a method for expressing, and working with, very large or very small numbers. It is a short hand method for writing numbers.

### More examples of Scientific Notations:

34,000 = 3.4 x 10^4, 0.00047 = 4.7 x 10^-4

Less Than

Greater Than

### What does <= mean?

Less Than or Equal To

### What does >= mean?

Greater Than or Equal To

Not Equal To

Example: