**ERIC Number:**ED036430

**Record Type:**RIE

**Publication Date:**1967

**Pages:**449

**Abstractor:**N/A

**Reference Count:**0

**ISBN:**N/A

**ISSN:**N/A

Experiences in Mathematical Discovery, Units 1-5; Unit 1, Formulas, Graphs and Patterns; Unit 2, Properties of Operations with Numbers; Unit 3, Mathematical Sentences; Unit 4, Geometry; Unit 5, Arrangements and Selections; and Answers for Units 1-5.

Firl, Donald H.; And Others

This series of booklets is designed for use by students of ninth grade general mathematics. The units are the result of experimental work done by the General Mathematics Writing Project of the National Council of Teachers of Mathematics. The series treats a variety of topics which are suitable for use with general mathematics students. Each unit is self-contained. The titles of units 1-5 are as follows: Unit 1: Formulas, Graphs, and Patterns; Unit 2: Properties of Operations with Numbers; Unit 3: Mathematical Sentences; Unit 4: Geometry; Unit 5: Arrangements and Selections. Also included is a booklet containing correct answers to exercises in units 1-5. (FL)

Descriptors: Geometry, Grade 9, Instructional Materials, Mathematical Concepts, Mathematics, Mathematics Education, Number Concepts, Patterns in Mathematics, Secondary School Mathematics

National Council of Teachers of Mathematics, 1201 Sixteenth Street, N.W., Washington, D. C. 20036 (May be purchased separately)

**Publication Type:**N/A

**Education Level:**N/A

**Audience:**N/A

**Language:**N/A

**Sponsor:**N/A

**Authoring Institution:**National Council of Teachers of Mathematics, Inc., Reston, VA.