Illustrative Mathematics
Sore Throats, Variation 2
What does math have to do with a sore throat? When you mix water and salt you have a great review of how to represent proportional relationships by an equation or graph. Here the proportions of the mixtures may be different, but the...
Curated OER
Best lesson in the whole world!
Students study the concept of fraction using mathematical reasoning. For this problem solving fraction lesson, students use various methods to explain their reasoning in solving fractions. Students use a number of different prompts to...
Curated OER
Word Problem Practice Workbook
Need worksheets that challenge your middle schoolers to apply their understanding of math? Problem solved! From integers, fractions, and percents, to algebra, geometry, and probability, over 100 pages of word problem worksheets are...
Curated OER
Building Staircases: Understanding Slope
Students recognize the importance of slope. They use blocks to model the slope of a line and calculate the slope of a line on a coordinate grid. Afterward, they describe objects they encounter in their everyday lives that have slopes.