David's Math Content

This PowerPoint presentation serves as an introduction to solving problems that involve finding parts of a whole by using tape diagrams. The process is clearly explained and modeled including examples using fractions and percents converted to fractions. The product can be used as an interactive class lesson or for individual student use due to absence or remediation. The amount of time spent using this presentation will vary depending on the teacher's usage of stopping points and/or student inte

This 18-slide PowerPoint presentation introduces the concept of a unit rate. It assumes students have already learned about the concept of a ratio. The material is based on Common Core 6th grade math standard: CCSS.Math.Content.6.RP.A.2. The presentation begins with a problem trying to compare two ratios to determine the best gas mileage. A tape diagram model is used to transform the ratios into unit rates to see how much more helpful they are when making comparisons. Unit rates are calculated u

This 27-slide PowerPoint presentation is designed as an introduction to the concept of a ratio. It uses a fictional grocery store employee who uses data gathered to determine the right balance of carts and baskets to maintain in his store. Ratio language is analyzed as well as the formats of writing a ratio and simplifying when applicable. The lesson is based on the 6th grade Common Core standard: CCSS.Math.Content.6.RP.A.1. It is intended for full class use, but can be used for individuals who

This is a worksheet that contains problems involving addition & subtraction of fractions & mixed numbers with unlike denominators. It makes use of Common Core 5th grade math standards. They include CCSS.Math.Content.5.NF.A.1 & CCSS.Math.Content.5.NF.A.2 under the domain Number & Operators - Fractions. The worksheet may be used as a quiz, classwork, or homework. On the front of the sheet, the 1st problem involves a scenario using fractions that are proper and asks 4 questions that involve estimat