Ity Bity
Ten
Far Side
241
Put Your two cents I
100

Small sound

Microphone

100

Ten years 

Decade

100

Far sound

Telephone 

100

Two hundred years

Bicentennial 

100

One hundred years 

Century

200

Too little to see!

Microscopic 

200

Ten weights

Decagram

200

Far see

Television 

200

One wheel

Unicycle

200

1/100th of a dollar 

cent

300

Small living things 

Microorganisms 

300

1/10th of a measure

Decimeter 

300

Far writing

Telegraph 

300

two tongues 

Bilingual 

300

100 feet/footed animal

Centipede 

400

To control every small part of what someone else does

Micromanage 

400

Base ten fractions

Decimals 

400

Far carry 

Teleport 

400

UFour sides

Quadrilateral 

400

100th anniversary 

Centennial 

500

Small waves/Electromagnetic waves

microwave 

500

1/10th of a hearing unit to measure sound

Decibel

500

Far feeling or far mind 

Telepathy 

500

Four equal areas of a space

Quadrant 

500

1/100 of a meter

Centimeter