Lexical Spellings

Math Terms

Big Number Words

A Perfect 10

100

one

The replaceable / silent <e>.

100

This math word is a clip of 'mathematics.'

math

100

What does the suffix <-th> tell you in the following words?

fourth, sixth, fifteenth

The <-th> suffix marks an ordinal number.

100

decade

10 years

200

two

The silent <w> etymological marker.

200

This math word means 'give to.'

add

200

What does the suffix <-ty> tell you in the following words?

thirty, fifty, seventy

The <-ty> suffix means 'times 10.'

200

decameter

10 meters

300

three

The vowel digraph <ee>

300

This math word means 'many fold.'

multiply

300

What does the <cent> base mean in the following words?

percent, century, centimeter

The base element <cent> means '100.'

300

decagon

shape with 10 sides / angles

400

eight

The silent <igh> etymological marker.

400

This math word means 'separate.'

divide, division

400

The base <mill(e)> means 1000 or 1000th. Give an example of a word with this base.

million, millimeter, milligram, millipede

400

decathlon

10 athletic events

500

five, twelve

Function words don't end in <ve>.

500

This math word means 'pull from under.'

subtract

500

What does the base <kilo> mean in the following words?

kilogram, kiloliter, kilometer

The base <kilo> means '1000.'

500

decapod

10 feet / legs