science
social studies
math
reading
100
: mars
What is the fourth planet to the sun?
100
Lincoln's Birthday
What is celebrated on February 12?
100
attempted to change the teaching of mathematics
What is New Mathematics
100
: fake
What is fiction?
200
Persian Gulf War
What is What is fought in early 1991 between Iraq and a coalition of 39 countries?
200
Number theory
What is Natural numbers 1, 2, 3, 4,
200
R
What is 18th letter of our alphabet
300
system of symbols and abbreviations that helps people work with a particular subject
What is Notation?
400
: related numbers or symbols called terms
What is Progression?
M
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u