Whole Number and Operations

Whole Number and Operations

5th Grade Math Vocabulary

Compatible Number

Compatible numbers are pairs of numbers that are easy to add, subtract, multiply, or divide mentally.

estimate

To find a value that is close enough to the right answer, usually with some thought or calculation involved

estimation language

about, a little more/less than, close to, approximately

Multiple Select

What is a compatible number?

• numbers that are harder to work with

• pairs of numbers easy to add, sub, multiply or divide mentally

• numbers that get along

Multiple Select

An estimate is...

• exact answer

• value close to a right answer

• subtraction

Multiple Choice

What are some words that trigger estimation?

• product

• sum

• about, close to, approximately

difference

The result of subtracting one number from another. How much one number differs from another.

sum

The result of adding two or more numbers.

divisible

When dividing by a certain number gives a whole number answer.

Fill in the Blank

The ______________ between 8 and 3 is 5.

Multiple Choice

The result of adding two or more numbers.

• product

• difference

• sum

• quotient

Multiple Choice

When dividing by a certain number gives you a whole number without a remainder.

• additive

• minuend

• estimate

• divisible

Factor

Numbers we can multiply together to get another number.

product

The answer when two or more values are multiplied together.

simplify

To simplify (or reduce) a fraction or expression means to make it as simple as possible.

Multiple Choice

What is a factor?

• numbers divided together

• numbers we can multiply together

Multiple Choice

What is the definition of product?

• the answer when you divide

• the answer when you subtract

• the answer when you multiply

Multiple Select

When you are asked to simplify, what does it mean?

• reduce/lowest terms

• multiply

• greatest number possible

order of operations

The rules that say which calculation comes first in an expression.

variable

A symbol for a value we don't know yet. It is usually a letter like x or y.

Multiple Choice

What is the correct order of operations?

• BPEMDAS

• SADMEPB

• Any order you want to

• MDAS

Multiple Choice

We use a Variable in math to show....

• every number

• value that is unknown

• adding

• subtraction