National Center for Educational Statistics 71% cannot calculate miles per gallon on a trip 58% cannot calculate a 10% tip on a lunch bill 78% of adults cannot explain how to compute the interest paid on a loan

National Center for Educational Statistics 78% of adults cannot explain how to compute the interest paid on a loan 71% cannot calculate miles per gallon on a trip 58% cannot calculate a 10% tip for a lunch bill If you order the “Onion Soup” and “The Lancaster Special” compute the 10% tip you should leave.

Where is the Math? Measurement Geometry Estimation Reasonableness Rates and Proportions Density Data Analysis numeric, graphic Rate of Change Statistics sampling representations of data (numeric/graphic) variability Models Optimization Predicting

Computing Procedural Fluency Strand 1/2 x 1/3 = 1/6

Applying Strategic Competence Strand “Charles went to the kitchen and saw that there was some pudding left in the pan. He noticed that about 1/3 of the pudding was left in the pan. He ate 1/2 of the remaining pudding. What fraction of the original pudding did he not eat?

Reasoning Adaptive Reasoning 1/2 plus 1/3 does not equal 2/5. Explain why this statement is true. OR… "Five out of four people have trouble with fractions.“ (Steven Wright) Explain how this quote is an example of irony.

Engaging Productive Disposition Strand “What good are fractions?”

Math Across the Curriculum Resources Over 3,000 activities many integrating math and literature. A fabulous well organized collection of resources from Dartmouth. Geometry through art lessons and links. Daily math ideas. Middle school ideas. Math activities K An article with great links to lessons. Integrated lessons across the curriculum.