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Front cards |
Back cards |
| 1 |
Area of a Circle |
Pie R Squared |
| 2 |
Area of a Rectangle |
Length times width |
| 3 |
Area of a Square |
Side squared |
| 4 |
Area of a Triangle |
Half the base, times the height |
| 5 |
Average |
Sum of Terms, over, the Number of Terms |
| 6 |
Circumference |
2 pie R |
| 7 |
Common denominator |
A denominator that is the same in two or more fractions |
| 8 |
Composite number |
an integer that is greater than one that is not prime |
| 9 |
Denominator |
The bottom number of a fraction. |
| 10 |
Diameter |
2 times the radius; 2R |
| 11 |
Divisible |
A number is divisible by its factors; 60 is divisible by 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60 |
| 12 |
Divisor |
Integers that may be multiplied to produce a number; numbers that an integer is divisible by; e.g. all divisors for 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60 |
| 13 |
Equilateral triangle |
60; 60; 60 |
| 14 |
Even integer |
An integer that is divisible by 2 |
| 15 |
Factor |
Integers that may be multiplied to produce a number; numbers that an integer is divisible by; e.g. all factors for 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60 |
| 16 |
Fraction |
Is a number of the form a/b , where a and b are integers and b ≠ 0 |
| 17 |
Greatest common divisor |
The largest factor that two or more numbers have in common |
| 18 |
integers |
the set of positive whole numbers and their opposites (negative numbers) and 0 |
| 19 |
Interger |
A positive or negative number |
| 20 |
Invert |
The reciprocal of a fraction (turn 3/4 into 4/3) |
| 21 |
least common multiple |
the smallest multiple that is exactly divisible by every member of a set of numbers |
| 22 |
Median |
The middle term of a set in sequential order |
| 23 |
mixed number |
a whole number , a whole number and a fractional part |
| 24 |
Mode |
The term that occurs most frequently |
| 25 |
Multiple |
The product created by a numbers factors; 25 is a multiple of -25, -5, -1, 1, 5, and 25 |
| 26 |
numerator |
the top number of a fraction |
| 27 |
Odd integer |
An integer that is not divisible by 2 |
| 28 |
Prime divisors |
A list of prime numbers that produce by multiplication some number; the prime divisors for 12 are 2, 2, and 3 because 2 * 2 * 3 = 12 |
| 29 |
Prime factorization |
a list of the prime divisors |
| 30 |
Prime number |
Natural number greater than 1 that has no positive divisor other than 1 and itself; |
| 31 |
Probability |
The likelihood of an event occurring; |
| 32 |
Pythagorean Triplets |
3, 4, 5; |
| 33 |
Quotient |
The integer obtained by division (always has a remainder even if that remainder is 0; 19 ÷ 7 = quotient 2 with a remainder of 5) |
| 34 |
Range |
The difference between the greatest term and the least term |
| 35 |
Rational numbers |
Any number that can be expressed as a fraction |
| 36 |
Reciprocal |
The inverse of a fraction (3/4 becomes 4/3) |
| 37 |
Remainder |
The remaining number after division (19 ÷ 7 = 2 with a remainder of 5) |
| 38 |
Right Triangle - 30, 60, 90 |
X; X Square root of 3; 2X |
| 39 |
Right Triangle - 45, 45, 90 |
X; X; X Square root of 2 |
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