Math Vocab 5th Gr. Topics 1-11

The product of any number and 1 is that number

Common fractions used for estimating

A fraction in which the numerator is greater than or equal to its denominator

A way to write a number using a base and an exponent

The process of making an object proportionately larger or smaller

A name for a number to the second power

A name for a number to the third power

An estimated sum or difference that is greater than the actual answer

A process that determines which multiple of 10, 100, 1000, etc, a number is closest to

The best time of the day is

Products found by breaking a factor into 1s, 10s, 100s; then multiply each by the other factor

The least number that is a common multiple of two or more numbers

Adjusting both numbers of an operation to make computations easier & balancing the adjustment

3 x (10 + 4) = (3 x 10) + (3 x 4)

The product of a given whole number and another whole number

3 x 5 = 5 x 3

Fractions that have different numerators and denominators but name the same amount

A common way of writing a number with commas separating groups of three digits

2 x (4 x 10) = (2 x 4) x 10

A given number is a ____ of another number if the product of the number is 1. Ex: ¹/₈ X ⁸/₁ =1

A way to write a number that shows the place value of each digit. Ex: 3000 + 500 + 60 + 2

Numbers that are easy to compute with

A fraction less than 1; its numerator is less than its denominator

A number that combines a whole number and a fraction

A fraction in which the numerator is greater than or equal to its denominator

A fraction is which the greatest common factor of the numerator and denominator is 1

A way to write a number involving exponents that show the base as a factor

A common multiple of the denominator of two or more fractions

Decimals that name the same amount. Example: 0.7=0.70

The symbols used to show numbers

The least common multiple of the denominators of two or more fractions

A whole number that combines a whole number and a fraction

What form is this number in? 3,458

Addends can be regrouped and the sum remains the same

Making an object proportionately larger or smaller keeping the ratio of its dimensions constant

The answer to a division problem

3 + 7 = 7 + 3

10³ = 10 x 10 x 10. The 3 is the...

An estimated sum or difference that is less than the actual answer

The number to be divided

The number used to divide another number

The number a digit represents, which is determined by the position of the digit

A number that is a multiple of two or more numbers

Numbers that are multiplied to get a product

The number that is the result of multiplying two or more factors

The product of any number and 0 is 0

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The number that is multiplied by itself when raised to a power. Ex: In 5³, the 5 is the...

A fraction less than one; its numerator is less than its denominator

A way to write a number using words