1 st 9 weeks review. what is the name of an angle that measures 49 degrees?

1st 9 Weeks Review

What is the name of an angle that measures 49 degrees?

• Acute angle: measures between 1 and 89 degress

What are the two ways you can classify a triangle?

• By its sides and its angles

What is the name of a 4 sided polygon?

• Quadrilateral

What is a polygon?

• A closed figure with three or more sides that do NOT intersect

What is the name of this polygon?

• Hexagon: six sides

Classify this triangle by it’s sides:

• Scalene: no sides are equal

Classify this triangle by it’s angles:

• Acute triangle: all angles are acute (less than 90 degrees)

• Which of the following could NOT be a possible name for this shape?

– Polygon

– Quadrilateral

– Parallelogram

– Trapezoid

– Rectangle

• Trapezoid: quadrilateral with only one pair of parallel sides

What does 5 ^4 mean and equal?

• Means: 5 x 5 x 5 x 5

• Equals: 625

What are the steps to Order of Operations?

Parenthesis

Exponents

Addition and Subtraction (In order from Left to Right)

Multiplication and Division (In order from Left to Right)

What is the correct prime factorization of 100?

• 2^2 x 5^2

What measure best describes this angle?

33 degrees

180 degrees

135 degrees

90 degrees

• 135 degrees

Finish the pattern and name it.

2, 4, 6, 8, ____, ____

• 10, 12

• Arithmetic Pattern

Complete the Input/Output Tabley = 2x + 3

x y

2

4

6

• 7, 11, 15

• If x = 3, then what is the answer?

• 50 – 10x = ?

• 20

If a shape has 4 congruent sides, what does that mean?

• All sides are equal

If my shape has two long sides that are congruent, and two short sides that are congruent, what shape do I have?

a. Square

b. Rhombus

c. Rectangle

d. Trapezoid

• Rectangle: a quadrilateral with two short sides that are equal and two long sides that are equal

What is the perimeter of a square if each side measures 5 inches?

• Perimeter = 20 inches

• Perimeter= l + w + l + w

What is the 7th number in the sequence and what type of pattern is it?

3, 5, 8, 12, 17,___, ____

• 30

• Neither!