Project 1 conceptual adjustments in progressing from whole to non-negative rational numbers the conceptual adjustments in progressing from whole to non-negative. The rational number project was a cooperative multi-university research and development project funded by the national science foundation (nsf) from 1979-2002 (with. The rational number project the rational number project is an ongoing research project investigating student learning and teacher enhancement. What is a rational number rational numbers, 6th grade, master teacher project 60 minutes andrea palmer 159 lessons 1 do rational numbers and integer practice.
Apply and extend previous understandings of operations to add, subtract, multiply, and divide rational numbers. In mathematics, a rational number is any number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Rationaljava below is the syntax highlighted version of rationaljava from §92 floating point (num, den) = 1, ie, the rational number is in reduced form. Ences with rational numbers therefore a visual project and a student-created manipulative it helped them commu-nicate and in so doing build confidence.
I love using this one-page project with my students when reviewing rational numbers find and save ideas about rational numbers on pinterest. 1 compare and order rational numbers compare and order rational numbers 3 this project allowed everyone regardless of ability. Twenty-eight lesson plans make up this research-based fourth- through sixth-grade fraction and decimal curriculum, covering through addition and subtraction of. Planning and resources objectives students should be able to use and interpret unit rates for ratios given as rational numbers they are able to compare the graphs.
Project search the projects you will find here have been curated by bie and were gathered from online project and approximate them by rational numbers, 8ns. Description: the rational number project (rnp) is a cooperative research and development project funded by the national science foundation project personnel have. Engage students in the difference between irrational and rational numbers with this set of 3 activities these activities are great for kinesthetic and visual learners. Dividing rational numbers jigsaw activityst youtube the following is a drawing from story about irrational natural and real st connecting math to our lives project. The rational number project (rnp) was the longest lasting cooperative multi-university research project in the history of mathematics education.
21 lesson 52 chapter 2 rational numbers and equations rational numbers a rational number is a number that can be written as a — b where a and b are integers and b. As of july 2007 no studies of rational number project were found that fell within the scope of the elementary school mathematics review protocol and met wwc design. Teaching actions warm up order these fractions from smallest to largest be prepared to explain your thinking comments your goal is to reinforce students. For this project i have to create a rational number class that has 2 parts an int numerator and int denominator i had to add two contractions where the negative. Rational numbers math projects 1 2 3 4 5 6 7 8 9 10 you have shown mastery of the circled sections in chapter 5 during the class periods that we cover the sections.
Rational numbers are part of the real number system rational numbers are special because they can be written as a fraction more specifically, the definition of. Deepen the fractional number sense of young learners with this introductory lesson on equivalent fractions after completing a short warm-up activity, children go on. Concept development mathematics assessment project classroom challenges a formative assessment lesson classifying rational and irrational numbers.