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Video Mathematik

## Sum of Digits

"One difficult type of Algebra problem are word problems asking about the sum of digits in a two digit number. Solving systems of equations by substitution is one of the most common ways to solve sum ...

Hipervinculo Mathematik

## Geometry Word Problems

"We can use linear equations to solve a number of real-life problems, such as geometry word problems. When solving word problems using linear equations, we first need to pull out the relevant informa ...

Hipervinculo Mathematik

## Solving Multi Step Inequalities

"Sometimes we get more complex inequalities that take more than one step to solve. Solving multi step inequalities involves both solving inequalities using addition and solving inequalities using mult ...

Video Mathematik

## Selling Multiple Items

"To solve word problems where someone is selling multiple items, a background knowledge of setting up a system of equations is necessary. Problems where someone is selling multiple items are common on ...

Video Mathematik

## Ratios

"In math, it's sometimes helpful to be able to compare quantities using ratios. Ratios are used often in word problems and in Geometry when comparing similar figures. A ratio is a comparison of two qu ...

Video Mathematik

## Rate Word Problems

"To solve rate word problems, knowledge of solving systems of equations is necessary. Rate word problems include problems dealing with rates, distances, time and wind or water current. Other types of ...

Video Mathematik

## Proportions

"We can find unknown quantities when we know similar ratios for comparison, using proportions. We find proportions often in word problems, for example those involving baking ingredients, and in compar ...

Hipervinculo Mathematik

## Consecutive Number Problems

"In Algebra II, we sometimes see consecutive number problems. Consecutive number problems may ask us to find a sum of integers or the specific integers themselves. To solve these problems, we set up a ...

Video Mathematik

## Completing the Square

"Completing the square is one method for solving a quadratic equation. A quadratic equation can also be solved by several methods including factoring, graphing, using the square roots or the quadratic ...

Video Mathematik

## Percents

"Percents can be confusing, but there are methods we use to make them easier for us. Percents can be rewritten as fractions, or proportions, or as decimals. We can use multiplication and division to f ...

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