| Zero: Something for Nothing |
1971 |
Davidson Films |
8 |
16mm |
Color |
|
| The Weird Number - Rational Numbers |
1970 |
See Guidance Associates |
|
16mm |
|
sound |
| The Weird number |
1970 |
Davidson Films Inc |
13 |
16mm |
Color |
sound |
| The Case of the Missing Chickcows: Adding Positive and Negative Integers |
1972 |
Davidson Films |
9 |
16mm |
Color |
sound |
| Probableman |
1971 |
Davidson Films |
13 |
16mm |
Color |
|
| Prime Time |
1971 |
Davidson Films |
9 |
16mm |
Color |
|
| Noah's Ark or Multiplying with Fractions |
1971 |
Davidson Films |
9 |
16mm |
Color |
sound |
| Lost In The Mish - Mosh - Area Measure |
|
davidson |
13 |
16mm |
Color |
sound |
| Dinosaurs' Dilemma: The Meaning of the Variable |
1971 |
Davidson Films |
11 |
16mm |
Color |
|