Math
Squares
1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 225
11's and 12's
11, 22, 33, 44, 55, 66, 77, 88, 99, 110, 121, 132 ; 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144
What are the first 10 prime numbers?
2, 3, 5, 7, 11, 13, 17, 19,23, 29.
What is the GCF of 12 and 16?
The greatest common factor of 12 and 16 is 4.
1's and 2's
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 ; 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24
Cubes
1, 8, 27, 64, 125, 216, 343, 512, 719, 1000
What is a Polygon?
A plane figure with at least three straight sides and angles.
What is the Least Common Multiple (LCM)?
The smallest positive integer that is divisible by each of the two numbers.
What do all triangles have in common?
They have three sides and three angles and the sum of angles eaquals 180 degrees.
Polygons by the number of sides
heptagon (7), octogon (8), nonagon (9), decagon (10)
What's the order of operations?
parentheses, exponenents, multiplication, division, addition, subtraction Please Excuse My Dear Aunt Sally
13's
13, 26, 39, 52, 65, 78, 91, 104, 117, 130, 143, 156, 169
14's
14, 28, 42, 56, 70, 84, 98, 112, 126, 140, 154, 168, 182, 196
15's
15, 20, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225
3's and 4's
3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36 ; 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48
5's and 6's
5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60 ; 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72
7's and 8's
7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84 ; 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96
9's and 10's
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108 ; 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120
Classification of angles?
Acute angles are less than 90°, right angles are exactly 90° , and obtuse angles are greater than 90°.
Classification of triangles by angles.
Acute triangles have three angles less than 90° , obtuse triangles have one angle greater than 90° and a right triangle has a right angle.
What is Skip Counting?
Counting forward or backward by a number other than 1.
What is prime factorization?
Determining which prime numbers make up an interger. 80= 2*2*2*2*5
What are prime numbers?
Prime number are numbers that have exactly two factors.
Classification of triangles by sides.
Scalene have no congruent sides, isoceles has two congruent sides and equalateral have three congruent sides.
What is the Greatest Common Factor (GFC)?
The largest factor that numbers have in common.
What is the LCM of 3 and 4?
The least common multiple of 3 and 4 is 12.
What is a factor?
The numbers you multiply together to get a product.
What are Multiples?
The product of multiplying a number by an integer or skip counting.
What is factorial (!) ?
The product of the integer and all positive integers small than it. 7!= 7*6*5*4*3*2*1 (5,040)
Polygons by the number of sides
Triangle (3), quadrilateral (4), pentagon (5), hexagon (6)
