Rational Number Project Home Page Cramer, K., Wyberg, T., & Leavitt, S. (2009). Fraction Operations and Initial Decimal Ideas. [Companion module to RNP: Fraction Lessons for the Middle Grades]

## Rational Number Project Fraction Operations and Initial Decimal Ideas

### Seth Leavitt Minneapolis Public Schools

#### With Assistance from Graduate Students: Debbie Monson Stephanie Whitney University of Minnesota

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Rational Number Project: Fraction Operations and Initial Decimal Ideas

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473 pages - 15.4 MB

 Teacher's Guide 28 pages 231 KB Lesson 1 Order ideas 13 pages 589 KB Lesson 2 Equivalence 13 pages 328 KB Lesson 3 Estimation: Addition and Subtraction 11 pages 415 KB Lesson 4 Addition with Fraction Circles and Symbols 13 pages 490 KB Lesson 5 Addition with symbols 8 pages 233 KB Lesson 6 Subtraction with Fraction Circles 8 pages 234 KB Lesson 7 Addition and Subtraction story problems 9 pages 238 KB Lesson 8 Problem Solving: addition and subtraction 8 pages 263 KB Lesson 9 Model decimals with 10 x 10 grid 7 pages 232 KB Lesson 9.5 Naming decimals on a 10 x 10 grid 10 pages 280 KB Lesson 10 Develop 1000ths using 10 x 10 grid 13 pages 1 MB Lesson 11 Addition and Subtraction with Decimal +- board 19 pages 815 KB Lesson 12 Decimal addition, subtraction, order and equivalence 12 pages 2 MB Lesson 13 Meter stick model for decimals 10 pages 272 KB Lesson 14 Decimal Addition and subtraction on number line 13 pages 320 KB Lesson 15 Fractions on a number line 10 pages 278 KB Lesson 16 Adding and subtracting fractions on a number line 6 pages 218 KB Lesson 17 Multiplying with pictures and fraction circles 13 pages 436 KB Lesson 18 Using fraction circles, pictures and mental images to multiply 10 pages 367 KB Lesson 19 Multiplying a fraction and a whole number on the number line 15 pages 393 KB Lesson 20 Multiplying using a number line 18 pages 496 KB Lesson 21 Patty paper model for multiplying 16 pages 370 KB Lesson 22 Using patty paper to develop the multiplication algorithm 12 pages 366 KB Lesson 23 Estimating products and multiplying with the number line 18 pages 447 KB Lesson 24 Making connections between the multiplication models 12 pages 316 KB Lesson 25 Fraction division using pictures- no remainders 15 pages 520 KB Lesson 26 Fraction division using pictures – remainders 12 pages 445 KB Lesson 27 Fraction division: common denominator approach 13 pages 455 KB Lesson 28 Estimation- fraction division 8 pages 274 KB

Homework - 13 pages - 2.4 MB

Appendix - the complete appendix - 13 pages - 1.8 MB

Parts of the Appendix

Flash Manipulatives - A set of virtual manipulatives created in conjunction with TPT (Twin Cities Public Television)

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