Systems and Magnitude

Front

Absolute Value

Back

Distance a number is from zero; always a positive number. (∣−9∣=9 and ∣9∣=9)

Front

Additive Identity of a Complex Number

Back

A number that, when added to any complex number, always yields that number. Zero itself is sometimes referred to as the additive identity.

Front

Additive Identity Property

Back

A number that, when added to any element x in a set, always yields x. Zero itself is sometimes referred to as the additive identity. (5+0=5)

Front

Associative Property

Back

An operation is associative if regrouping the terms does not change the outcome. (a + b) + c = a + (b + c)

Front

Base 10 Number System

Back

Front

Benchmark Fraction

Back

An easily remembered fraction that can be used to make problems simpler. (1/10, 1/4, 1/2, etc.)

Front

Benchmark Numbers

Back

Numbers that are easily added, subtracted, multiplied, or divided. (10, 25, 100)

Front

Benchmarking

Back

Using benchmark numbers to estimate a mathematical expression.

Front

Closure Property

Back

The sum of two real numbers is a real number. The product of two real numbers is a real number. (2.5 + 3 = 5.5)

Front

Common Denominator

Back

When 2 fractions share the same total parts of whatever item or items are being represented. (1/3 and 2/3)