David's Math Content

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 22-slide PowerPoint presentation demonstrates how to use common factors and the distributive property to change an expression. Addition problems involving whole numbers are changed into a multiplication problem which is the product of the greatest common factor of the addends and the sum of two whole numbers that have no GCF other than "1". The content is based on 6th grade Common Core standard: CCSS.Math.Content.6.NS.B.4. The presentation takes about 30 minutes, but time considerations dep

This 18-slide PowerPoint presentation goes deeper into understanding absolute value. It demonstrates the difference between comparing two numbers and comparing the absolute value of two numbers. Real-world examples are given to help students better understand the material. Completely review the presentation so you can decide how best to use it in your curriculum. The content is based on Common Core standard CCSS.Math.Content.6.NS.C.7.D. The instruction assumes that the student has already experi