008 |
|
920725s19uu ch 000 0 chi d |
020 |
|
|cNT$168 (pbk)
|
040 |
|
|aTMUE|beng|cTMUE|dTMUE|eCCR
|
084 |
|
|a372.7|bB187|2ncsclt
|
100 |
1
|
|aBallDeborah Loewenberg
|
245 |
10
|
|aHalves, pieces, and twoths : |bconstructing representational contextsin teaching fractions / |cDeborahLoewenberg Ball
|
260 |
|
|aEast Lansing, Mich : |bNational Center for Research on TeacherEducation, |c1990
|
300 |
|
|a[ii], 41 p : |bill ; |c28 cm
|
490 |
1
|
|aCraft paper ; |v90-2
|
541 |
|
|aNT$168
|
830 |
0
|
|aCraft paper ; |v90-2
|