Lesson Plan
Illustrative Mathematics

Making Cookies

For Teachers 5th - 7th Standards
Hooray for chocolate chip cookies! Ask your mathematicians to triple a chocolate chip cookie recipe and then reduce the recipe by one-fourth. Your class may need two days to complete, tripling the recipe the first day and reducing the...
Activity
Curated OER

Comparing a Number and a Product

For Teachers 4th - 6th Standards
Mental math strategies are important for fifth graders to be able to determine the greater sum without actually solving the equations. As a summative assessment, this eight-problem worksheet can give insight into the understanding of the...
Lesson Plan
Curated OER

Dividing Fractions

For Teachers 9th - 10th
Students solve fractions using division. In this algebra lesson plan, students solve fractions by flipping and multiplying by the reciprocal. They practice dividing fractions with improper fractions or mixed numbers.    
Lesson Plan
Illustrative Mathematics

Calculator Trouble

For Teachers 4th - 6th Standards
When is not solving the expression the correct answer? When you are checking the understanding of a math concept that is not number dependent. The real question being asked here is to look at the initial number, fraction, mixed number,...