Absolute Value
Definition of Absolute Value Absolute value or modulus |x| of a real number x is the non-negative value of x without regard to its sign. |x| = x for a positive x, |x| = −x for a negative x (in which case −x is positive) |0| = 0. For example, the absolute value of 5 is … Continue reading "Absolute Value"
Read MoreConjugate
Definitions Conjugate is where we change the sign in the middle of two terms The conjugate of “a + b” is “a – b” Conjugate is only used in expressions with two terms (binomials) Examples Expressions Conjugate a + 1 a – 1 b2 – 2 b2 + 2 4 + √3 4 – √3 When we … Continue reading "Conjugate"
Read MoreImproper Fractions
Definitions There are 3 types of fractions Fraction type Condition Examples Proper Fraction Numerator < Denominator Improper Fraction Numerator > Denominator Mix Fraction A whole number + proper fraction So, An Improper Fraction is a fraction that has a top number larger than (or equal to) the bottom number. Converting Improper Fractions to Mixed Fractions How … Continue reading "Improper Fractions"
Read MoreRationalize the Denominator
Irrational Denominator Denominator: the bottom number of fraction Rational: Numbers such as 2, 3, 7 Irrational: Roots such as √2, √3, √7 Simplest form of number cannot have the irrational denominator. To be in simplest form, Rationalizing the Denominator! Rationalizing the Denominator is making the denominator rational How to Rationalizing the Denominator Rationalizing the Denominator … Continue reading "Rationalize the Denominator"
Read MoreMultiplication Tables
15 Times Table x 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 3 3 6 9 … Continue reading "Multiplication Tables"
Read MoreAscending & Descending Order
Ascending Order When the numbers are arranged from the smallest number to the largest number, those numbers are said to be in an ascending order. Ascending order of numbers is arranged numbers from smallest to largest number. Descending Order When the numbers are arranged from the largest to the smallest number, those numbers are said to … Continue reading "Ascending & Descending Order"
Read MoreMath Definitions
Here are some easy-to-understand definitions of mathematics terms, with links to further reading. Basic Basic Math Definitions Difference FOIL Method Expanded Notation Equality & Inequality Equal, Greater, or Less Than Fractions is … Fractions Simplest Form of Fractions Improper Fractions Mixed Fractions Equivalent Fractions Least Common Denominator Rational Function Inverse is … Inverse Operation Additive … Continue reading "Math Definitions"
Read MoreCounting Numbers
Counting numbers are the set of numbers that we use to learn how to count. They are also called natural numbers, since they feel natural to us because they are naturally the first numbers to learn. Sometimes they are also referred to as positive integers. Counting: Number Names to 100 1 2 3 4 5 … Continue reading "Counting Numbers"
Read MoreReflex Angle
A Reflex Angle is more than 180° but less than 360° More Examples of Reflex Angle Which Angle? Remember to look carefully at which angle you are being asked to name. The reflex angle is the larger angle. It is more than 180° but less than 360° If you choose the smaller angle you might … Continue reading "Reflex Angle"
Read MoreConcentric Circles
In geometry, 2 or more objects are said to be concentric, coaxial, or coaxal when they share the same axis or center. Circles, regular polygons, regular polyhedra, spheres, and cylinders may be concentric to one another (sharing the same center point). Definition of Concentric Circles Concentric Circles are 2 or more circles which have same center point. They fit inside each … Continue reading "Concentric Circles"
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