I titled this, “Does CNN Know What Random Sample Means?,” because when you conduct a poll your random sample is supposed to be representative of the population… Read more “Does CNN Know What Random Sample Means?”

# Category: mathematics, math

## Funny Thought of the Day! – HSN.RN.B.3

I just had an amusing thought. What if you had a square with an area of 5? You know the exact area of the square but you… Read more “Funny Thought of the Day! – HSN.RN.B.3”

## Rewriting Expressions with Radicals to Expressions with Rational Exponents and Simplifying – HSN.RN.A.2

Let’s say you had the following problem √(x3)and you wanted to change that to an expression with a rational exponent. Since there is no number written in… Read more “Rewriting Expressions with Radicals to Expressions with Rational Exponents and Simplifying – HSN.RN.A.2”

## Solving Two-Step Equations with Fractions! – CCSS.MATH.CONTENT.7.EE.B.3

To solve a two step equation with a fraction like the following: (3⁄10)x + 5 = 11 you need to undo what has been done to the… Read more “Solving Two-Step Equations with Fractions! – CCSS.MATH.CONTENT.7.EE.B.3”

## Fractional Exponents – N.RN.1

In Integrated Mathematics II students will begin the year by learning about fractional exponents. In this section they will learn that with fractional exponents the: 1. Numerator,… Read more “Fractional Exponents – N.RN.1”

## Solving One – Step Equations – CCSS.MATH.CONTENT.6.EE.B.5

In middle school students encounter one – step and two step equations. In sixth grade they learn to solve one step equations by substituting in the correct… Read more “Solving One – Step Equations – CCSS.MATH.CONTENT.6.EE.B.5”

## Quick Tip on Converting Repeating Decimals to Fractions – CCSS.MATH.CONTENT.8.NS.A.1

Let’s say you wanted to convert 0.83838383 … to a decimal. There is a very simple process to doing this. Let me walk you through it: set… Read more “Quick Tip on Converting Repeating Decimals to Fractions – CCSS.MATH.CONTENT.8.NS.A.1”

## Ratios and Proportional Relationships Unit – 7th Grade

Are you a middle school teacher who is stressed out and overworked? I know I was! That is why I created a way to make it easier… Read more “Ratios and Proportional Relationships Unit – 7th Grade”

## CCSS.MATH.CONTENT.7.RP.A.3 – Tax and Tip

A problem for Common Core standard CCSS.MATH.CONTENT.7.RP.A.3 McPuckles Restaurant menu is listed below. They charge a 6% sales tax and an 18% percent gratuity based on the pre-tax… Read more “CCSS.MATH.CONTENT.7.RP.A.3 – Tax and Tip”