1

MODEL SHOWING DERIVATION OF THE FORMULA FOR THE AREA OF A TRAPEZOID

Year:
1951
Language:
english
File:
PDF, 61 KB
english, 1951
2

MODEL FOR CIRCLES AND STRAIGHT LINES

Year:
1950
Language:
english
File:
PDF, 54 KB
english, 1950
3

MODEL FOR INTRODUCING CONGRUENT TRIANGLES

Year:
1951
Language:
english
File:
PDF, 59 KB
english, 1951
4

SUBSTITUTE DEVICES FOR ILLUSTRATING EQUATIONS

Year:
1951
Language:
english
File:
PDF, 60 KB
english, 1951
5

POSTERS ON FRACTIONS

Year:
1951
Language:
english
File:
PDF, 84 KB
english, 1951
6

ALTERNATE MODEL FOR ARC AND ANGLE MEASUREMENT

Year:
1951
Language:
english
File:
PDF, 98 KB
english, 1951
7

MODEL FOR INTRODUCING MOTION PROBLEMS

Year:
1951
Language:
english
File:
PDF, 66 KB
english, 1951
8

MODEL FOR ILLUSTRATING PROPORTIONS IN RIGHT TRIANGLES

Year:
1951
Language:
english
File:
PDF, 82 KB
english, 1951
9

ARE WE TEACHING STUDENTS OR TEXTBOOKS?

Year:
1950
Language:
english
File:
PDF, 218 KB
english, 1950
10

A DIAL-A-FACTOR

Year:
1950
Language:
english
File:
PDF, 55 KB
english, 1950
11

WOODEN MODEL FOR QUADRILATERALS

Year:
1950
Language:
english
File:
PDF, 71 KB
english, 1950
12

MODELS FOR INTRODUCING PARALLELOGRAMS

Year:
1950
Language:
english
File:
PDF, 64 KB
english, 1950
13

MODEL FOR INTRODUCING TRIGONOMETRY ON NINTH GRADE LEVEL

Year:
1951
Language:
english
File:
PDF, 60 KB
english, 1951
14

MODELS FOR INTRODUCING SPECIAL PRODUCTS

Year:
1950
Language:
english
File:
PDF, 86 KB
english, 1950
15

MODEL FOR INTRODUCING OVERLAPPING TRIANGLES

Year:
1951
Language:
english
File:
PDF, 64 KB
english, 1951
17

AN EXPERIMENT IN THE INTEGRATION OF MATHEMATICS AND SCIENCE

Year:
1952
Language:
english
File:
PDF, 195 KB
english, 1952
18

Communications

Year:
1968
Language:
english
File:
PDF, 480 KB
english, 1968