whole numbers

whole number

A whole number is a positive integer that does not have any fractions or decimals. It includes all natural numbers and zero. Examples of whole numbers are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, and so on.

numeral

the symbol for any number

Digit

numerical symbol used to represent a number. It can be any number from 0 to 9. Digits are used in mathematical operations and in various computer systems to represent data.

Positions of Digits

The way in which digits are arranged in a number is called the positions of digits. The positions of digits determine the value of the number.

Placeholder

The digit zero in a numeral when the value of one or more positions isn't used.

Number Line

A visual representation of all real numbers in a straight line. It is used to represent the order of numbers and to perform arithmetic operations such as addition and subtraction. The numbers to the right of zero are positive, while the numbers to the left of zero are negative.

Equal

Having the same quantity, measure, or value as something else. It is represented by the symbol "=".

Rounded Number

A number that has been approximated to the nearest whole number or multiple of ten, hundred, thousand, etc.

Addition 

The mathematical operation that combines two or more numbers to find their total sum.

Addends 

Addends are the numbers that are being added together in an addition problem. For example, in the problem 5 + 3 = 8, 5 and 3 are the addends.

Sum

The result of two addends being combined

plus

 The symbol (+) for addition

Minus

 The symbol (–) for subtraction

Word Problems

 Mathematical problems that are written out and describe a particular situation involving numbers

Subtraction

The process of "taking away" one number from another 

Minuend

The number you "take away" from; the greater of two numbers.

Multiplicand 

The number being multiplied.

Inverse Operation 

Two mathematical operations that are the direct opposites of each other.

Subtrahend

 The number you "take away"; the smaller of two numbers.

Difference 

The result of subtraction

Multiplication 

The shorthand way of making repeated additions of the same number

Multiplier 

The number you're multiplying by

Arabic Numeral

Any numeral presented in standard number symbols instead of words.

Even Number

Any whole number that can be divided evenly by 2.

Odd Number

 Any whole number that can’t be evenly divided by 2

Average

Value found by adding a group of numerals together, then dividing by the number of items in the group

Place Value

The value a digit has according to its position within a number

Divisor

The number being divided into the dividend.

Times

The symbol (×) for multiplication 

Division 

 The process of finding how many times one number is contained within another.

Dividend 

The number you want to divide.

Quotient 

 The result of division

Remainder 

The number left after division.

Factors

Another name for the multiplier and multiplicand

Product 

 The result of multiplication

The way you group numbers in a series of multiplication problems doesn’t change the final product.

true

write seventy million as a numeral.

70,000,000

7 × 10 = 70 what is 10

 

Multiplier

 150 ÷ 3 = 50

In this problem, 50 is the result of the problem. What is 50 called in this math problem?

 

Quotient

121 ÷ 11 = ?

11

12 × 6 = 72

In this problem, you're multiplying 12 by 6. What is 12 called in this math problem?

 

Multiplicand

Which of the following is defined as the number of square units needed to fill it?

area

10 + 2 = 12 \n 12 − 2 = 10

What are these operations called?

 

Inverse operations

When adding numbers with several digits, the _______ column should be added *first.* 

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ones