A
What is angle measured in?
degrees
What are some examples of spheres?
basketball, soccer ball, baseballs, tennis balls...
What are the three dimensions?
Length, Width, and depth (height)
What is it called when you add two or more numbers?
addition
What is it called when you take a number away from a bigger number?
subtraction
What is the answer of addition called?
sum
Give an example of a number sentence.
10-7=3
Vivian had 15 pencils. She gave Isabella 7 of them. How many pencils does Vivian have left?
8
How do you read this? 10 > 4
10 is greater than 4.
What is the answer of subtraction called?
difference
How much is a quarter worth?
25 cents
Draw an obtuse triangle.
1 angle greater than 90 degrees.
I had a dollar. The candy was worth 80 cents. How much money do I have left?
20 cents
Money can be both _______ and _____.
paper bills and coins
Name three solid figures.
If two polygons are congruent figures. What does that mean?
same size and shape
What is the name of the cube that exists in four dimensions?
a tesseract
What is a six sided polygon called?
hexagon
What is the name of the triangle that has all different lengths?
scalene
What is an isosceles triangle?
a triangle with two sides with equal length
How does a right angle (90 degrees) form?
when two perpendicular lines intersect
Name one four-sided polygon, five-sided polygon, and eight-sided polygon.
square, rectangle, rhombus
pentagon
octagon
What are the two requirements for an object to be a polygon?
1. made of three or more line segments.
2. a closed figure.
Name the 3 different sizes of angles.
acute, right, and obtuse
Name the 3 types of triangles that are characterized by the length of the triangles' SIDES.
equilateral, isosceles, and scalene