Definitions
The numbers we count with.
What are the natural numbers?
Name 1 group that this number belongs to: 3
What are Natural numbers, integers, rationals or reals?
Name all the groups that -11/5 belongs to.
What are the rationals and the reals?
4/11
What is rational?
You have 10 seconds to name 5 NATURAL NUMBERS.
What are any 5 natural numbers?
Everything (except the imaginary).
What are the real numbers?
Name 1 group that this number belongs to: -10/3
What are rationals and reals?
Name all the groups that 100,020 belongs to.
What are the natural numbers, integers, rationals and reals?
π
What is irrational?
You have 10 seconds to name 5 REAL NUMBERS.
What are any non-imaginary numbers?
Never-ending, non-repeating decimals.
What are the irrational numbers?
Name 1 group that this number belongs to: 7/4
What are rationals or reals?
Name all the groups that e belongs to.
What are the irrationals and the reals?
1.1113
What is rational? (terminating decimal)
You have 10 seconds to name 5 NON-NATURAL INTEGERS.
What are any 5 negative integers or 0?
The group that includes negative numbers but excludes all nonzero decimals.
What are integers?
Name 1 group that this number belongs to: π
What are irrationals and reals?
Name all the groups that 30/5 belongs to.
What are the natural numbers, integers, rationals and reals?
1.121314151213141512...
What is rational? (Can be written as a repeating decimal with 12131415 repeating)
You have 10 seconds to name 5 RATIONAL BUT NON-INTEGER NUMBERS.
What are any 5 fractions and/or repeating/terminating decimals?
All numbers that can be written as a/b, where a and b are integers and b is nonzero.
What are the rational numbers?
Name 1 group that this number belongs to: 20/10
BONUS: Name one group that the number i belongs to.
What are natural numbers, integers, rationals or reals?
BONUS ANSWER: Complex numbers
Name all the groups that the Golden Ratio (approximately 1.618) belongs to.
What are the irrationals and the reals? (ACTUAL NUMBER IS (1+sqrt(5))/2)
1.23223222322223222223...
What is irrational? (Although there is a pattern this cannot be expressed as a repeating decimal)
You have 15 seconds to name 5 IRRATIONAL NUMBERS.
What are any 5 irrational numbers (non-repeating decimals or known ones like pi, e or the Golden Ratio)?