Ubufatanye
UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Mathematics
Ibishushanyo 67 birahari
Ibishushanyo (67)

The Theodolite
na Astro
Astrometry
54
0
0
0
1
0

Vernier Caliper
na Mark
Mekanike
71
0
0
0
1
0

Bevel Protractor
na Mark
Mathematics
34
0
0
0
0
0

Cloverleaf Interchange
na Mark
Mathematics
51
0
0
0
0
0

Hollerith Tabulator
na Mark
Kubara
42
0
0
0
0
0

Burroughs Calculating Machine
na Mark
UBUMENYI
42
0
0
0
0
0

Cash Register
na Mark
UBUMENYI
66
0
0
0
0
0

Slide Rule
na Emma
UBUMENYI
54
0
0
0
0
0

Perspective Frame
na Mark
UBUMENYI
47
0
0
0
0
0

Self-Working Card Trick
na Mark
Uburiganya bw'Amakarita
67
0
0
0
0
0

Volvelle Wheel Chart
na Mark
Bizamuka
134
0
0
0
0
0

Monochord
na Penny
Ubumenyi bw'Amajwi
59
0
0
0
0
0

Zero and Place-Value — Build an Abacus and Count Like the World Does
na Mark
Ibihe byo Hagati
51
0
0
0
0
0

Projectile Motion — Launch a Ball and Measure Its Flight
na Penny
Scientific Revolution (1600–1760)
39
0
0
0
0
0

Hooke's Law — Stretch a Spring and Find Its Stiffness
na Penny
School Projects 11-15
49
0
0
0
1
0

The Pendulum — Time a Swing and Weigh Gravity
na Martin
Scientific Revolution (1600–1760)
40
0
0
0
0
0

The Sand Reckoner — Count the Grains and Tame Huge Numbers
na Mark
Kera
54
0
0
0
0
0

Air Has Weight — The Upside-Down Glass and Torricelli's Barometer
na Penny
Scientific Revolution (1600–1760)
52
0
0
0
0
0

Magic Squares — Arrange Numbers So Every Line Adds the Same
na Mark
Kera
40
0
0
0
0
0

The Mercator Map — Peel an Orange and See Why Flat Maps Lie
na Mark
Renaissance (1400–1600)
44
0
0
0
0
0

Snell's Law — Measure How Light Bends (Laser and Protractor)
na Penny
Scientific Revolution (1600–1760)
50
0
0
0
0
0

Trigonometry — Build a Clinometer and Measure a Tree's Height
na Mark
Kera
43
0
0
0
0
0

Galileo's Falling Bodies — Race a Ball Down a Ramp
na Penny
Scientific Revolution (1600–1760)
38
0
0
0
0
0

The Number e — Grow Money and Meet the Constant of Change
na Mark
Scientific Revolution (1600–1760)
31
0
0
0
0
0
Hagaragajwe 24 kuri 67