Arithmetic Teacher (1989-1990) Vol. 37, No. 7

  • Arithmetic Teacher (1989-1990) Vol. 37, No. 7

    MATHEMATICS EDUCATION THROUGH THE MIDDLE GRADES ARITHMETIC TEACHER -TESSELLATIONS PAGE 6 VOLUME 37 NUMBER 7 MARCH 1990 Number Sense Page 18 Averaging Page 38 Manipulatives Page 44 Addison-Wesley Mathematics 1991 Addison-Wesley, a leader in quality mathematics, has the program for the 90's. • A program that promotes und