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Lesson Planet

#### Multiplying And Dividing with Significant Figures

Sal takes out the big guns - or in this case, big calculator - in this video, which carries the concept of significant figures even further. Sal shows how to multiply and divide significant figures using both electronic and handwritten...

Lesson Planet

#### SAT Prep: Test 7 Section 5 Part 1

The beginning of a new set of SAT practice problems from The Official SAT Study Guide involves sequences, distribution, combinations, and geometric figures. Sal makes sure to provide thorough explanations to each problem, while...

Lesson Planet

#### SAT Prep: Test 5 Section 7 Part 4

Spending more than half of the video readdressing the nuances in problem 13 (previously discussed in the last video), Sal ensures that students understand the tricky word problem by going through each of the multiple choice answers....

Lesson Planet

#### SAT Prep: Test 3 Section 2 Part 2

Problem number 6 on the practice SAT involves solving for a distance on a line, which Sal does in about 2 minutes. His method of efficiently (and correctly) solving problems is an excellent model for students who tend to panic at the...

Lesson Planet

#### SAT Prep: Test 5 Section 3 Part 5

Problem 15 on the practice SAT (page 657) prompts students to solve a word problem using a number of given constraints. Additional problems involve finding the radius of a circle (given the radius of a smaller circle) and prime...

Lesson Planet

#### SAT Prep: Test 6 Section 7 Part 2

Helping students realize the common missteps in solving the average SAT problem, Sal creates a lens through which students can clearly see the correct and incorrect approach to each type of problem. He points out what a student might...

Lesson Planet

#### Exponent Properties Involving Quotients

A series of problems involving exponent properties is the focus of this video. Sal demonstrates rational expressions, simplifying fractions, and how to manipulate algebraic equations using exponents and division.

Lesson Planet

#### Inequalities Using Addition And Subtraction

Beginning a "handful of fairly simple inequality videos," Sal demonstrates a few inequality problems in which mathematicians need to add or subtract. Though he states that his goal is to familiarize viewers with the notation, his...

Lesson Planet

#### Solving One-Step Equations 2

Help your students understand how to use their algebraic reasoning to solve a one-step equation, where they must solve for X. Add this video to a lesson or assign it as homework.

Lesson Planet

#### Multiplying Fractions and Mixed Numbers

Here is a great video explaining how to multiply a fraction by a whole number. Sal shows students how to put a whole number over 1 in order to multiply it by a fraction. He simplifies his answer and writes it as a mixed number.

Lesson Planet

#### Adding Fractions with Like Denominators

Assist your students in understanding how to add fractions with like denominators by showing them this presentation. Sal adds 3/15 to 7/15 and then simplifies his answer. He uses drawings and multiple colors to show the actual process.

Lesson Planet

#### Adding Mixed Numbers

Adding mixed numbers is what this video will demonstrate. Sal explains that adding mixed numbers can be done by looking at the whole number separately from the fraction. Because his explanation is brief, this video would be great as a...

Lesson Planet

#### Scientific Notation

Explaining scientific notation is useful because "it allows us to write really large or really small numbers in ways that are easy for our brains to write down and understand," Sal proceeds to solve a few practice problems involving...

Lesson Planet

#### Scientific Notation 2

Apply the concept of scientific notation to a word problem involving the rate of speed. Sal explains how to express the answer in scientific notation.

Lesson Planet

#### Jeopardy

An unusually challenging Jeopardy-style game is here for your charges. All sorts of high-level algebraic terminology, concepts, and problem solving are embedded in the game. There is even a Final Jeopardy clue. I have found these...

Lesson Planet

#### How Big Is That Star?

Aspiring astronomers study stars. They compare stars and explain the relationship between radius, mass, and diameter. By creating a star simulation, they discover how a binary star system's orbit can cause changes in the observed...

Lesson Planet

#### Energy Audit

Students collect data about energy usage and use mathematical calculations to analyze their data. In this energy conservation and statistics math lesson, students survey their homes to complete an energy usage worksheet. Students...

Lesson Planet

#### Adapting the Game Concentration

I love classroom games, and this plan deftly describes how you can use the game Concentration across the curriculum to reinforce skills. I wish I would have thought of this when I was teaching this age level. These kinds of games are...

Lesson Planet

#### Stretching the Truth

Sixth graders visualize different percentages as parts of a whole on visual images. They observe alterations of photographs, and models of circles, squares and sets. This incredibly detailed, eight-page plan leads you through everything...

Lesson Planet

#### FRB Commentary 3: Big Picture

Summarizing his thoughts on creating the last few videos on the weaknesses of the fractional reserve, Sal goes on to explain why he believes the nature of this system is "disingenuous," leading up to a discussion that contextualizes the...

Lesson Planet

#### Fractional Reserve Banking Commentary 1

After a short review on the banking process and lending procedures, Sal outlines some of the problems and weaknesses of fractional reserve banking. Additionally, he details the differences between illiquidity and insolvency, as well as...

Lesson Planet

#### FRB Commentary 2: Deposit Insurance

Going into more detail about the potential weaknesses of fractional reserve banking, this video introduces some of the ways that the economy has been engineered to fix these issues, such as the "lender of last resort" and insurance from...

Lesson Planet

#### Using the Quadratic Formula

It's the video your algebra class has been waiting for - Sal explains the quadratic formula! He describes it as "one of at least the top five most useful formulas In mathematics" and recommends that it be memorized, as long as one also...

Lesson Planet

#### SAT Prep: Test 6 Section 7 Part 3

Sal finishes problem 10 in this video, as well as problems 11-13 on page 735. Students can practice skills such as linear functions, slopes, and calculating permutations. Problem 12 allows viewers to see the process of elimination in...