This video focuses on three word problems involving measurements, percentages, and expenditures. Sal shows how to translate word problems into solvable equations.

A few word problems involving age are presented. Starting with a simple problem and progressing to more complicated word problems, Sal uses a chart to organize the information given in the more complicated problem to solve for the variable.

In this word problem, the skill to remember is to match up the similar measurements. This means the inches match up with the inches and the feet match up with the feet measurements. This problem is a ratio and is written as fractions....

Utilize linear systems to solve age-related word problems. The video tutorial shows how to write and solve a linear system from a set of given information. After solving the system, the instructor explains how to examine the solution for...

Combine several mathematics concepts as classes solve linear systems. After writing a system of equations involving a proportion, learners then solve the system. A video instructor uses the substitution method and must work...

Many times, learners get frustrated because they feel like they have the tools to solve an algebra problem, but not the ability to turn the English into math. This presentation focuses solely on that skill, starting with basic algebraic...

Getting three wildebeest across a river should be no problem— but what happens when you add three lions to the mix? Watch a video that features a classic river-crossing puzzle with a crocodile twist. Viewers listen as the narrator...

Could anyone really eat 15 feet of a sub sandwich in one day? That's how much this math problem says he ate. He actually started out with a bigger sub sandwich. How big was it to start? The instructor uses a table to illustrate how you...

Fractions, money, and a word problem? Write out an equation that has a fraction as the numerator of a fraction. Huh? Confusing? Don't give up! Watch the video as the instructor illustrates and explains how to solve this seemingly...

The sum of three consecutive odd integers is 231. What is the largest integer? See how to unpack this word problem, set up an equation, and solve for the variable.

This inequality word problem would make a good warm-up activity for a class studying single-variable inequalities. This video creates and solves an inequality based on a short-word problem about unit cost.

Your rich uncle just died and left all of his money to you. However, your evil relatives want some of the prize. Luckily, your uncle taught you everything you need to know about riddles, and has hidden his money. Can you solve...

Solving two-step word problems is a great way to build strong critical thinking and creative problem-solving skills. This video showcases three-word problems involving multi-digit addition or subtraction. Sal highlights essential...

Given an algebraic expression, write a word problem. Usually it's the other way around where you have a word problem and need to write an algebraic expression. But, this is a good skill to have because it would mean that one has a good...

Clarify complex math concepts with a helpful video. Learners view ways to work with ratios and proportions while discussing vocabulary and notation. After solving proportions, they apply the new strategy to word problems.

Math enthusiasts and riddle gurus are sure to love a mind-bending puzzle involving a king, a scale, and a counterfeit coin. Middle and high schoolers work through a video that describes a mathematician's challenge to find a false coin in...

Jane has 20 bananas and gives 16 away; how many are left? Microsoft Excel can help with that! A video provides a brief overview of the software program. Viewers learn how to use planning, basic math, and knowledge to solve real-life...

The zombies are charging and it is your job to get your party safely across the bridge. Are you up for the challenge?

What are some strategies for avoiding teamwork disasters in and out of the workplace? With the video 12th from the Crash Course Business - Soft Skills series, scholars learn how to work effectively in group settings. Viewers explore how...

You're trapped in a dark castle with a pile of gold coins that a wizard will only allow you to leave with if you can solve his riddle. Math learners solve the riddle of the dark coin with the help of an engaging instructional video.

Factoring is one of the first places in math that a young algebrist runs into multiple ways to work a problem. For the more concrete learner who needs a visual structure for problem solving, this presentation of factoring using a Punnett...

Completing the square is an effective way to solve a quadratic equation. Introduce your class to this technique and use this video to complement your lesson. This resource takes viewers through the process of completing the square,...

Use the knowledge of multiplying fractions to find a percent of a number. The video builds the process to find the percent of a number by recalling that the word of in fraction problems meant to multiply. Finding the percent of a...

Not having an x term makes things so much easier. The second of five installments in Algebra I Unit 11 focuses on solving quadratic equations by taking square roots. Scholars learn to solve equations of the form ax^2 + c = d by watching...