Multiplication
9x11
99
What do you call a 90 degree angle?
a right angle
what do you call to lines that are equal distance from each other but never meet
parallel lines
a triangle with ONE right angle
right triangle
Which digit is in the millions place? 1,878,999
1
4x4
16
what do you call an angle that is LESS than 90 degrees
acute angle
lines that cross at one point
intersecting lines
a triangle with ALL acute angles
acute triangle
What digit is in the hundred millions place? 847,626,111
8
6x6
36
what do you call an an angle that is MORE than 90 degrees
obtuse angle
a part or piece of a line
line segment
a triangle with ONE obtuse angle
obtuse triangle
how would you say: 123,110,251 in word form
one hundred twenty three million, one hundred ten thousand, two hundred fifty-one
7x6
42
what do you call an angle that is 180 degrees
a straight angle
a set of straight lines passing through one point.
a ray
TRUE or FALSE: a right triangle is half of a square
true
how would you say: 124,553,101,243 in word form
one hundred twenty four billion, five hundred fifty-three million, one hundred one thousand, two hundred forty-three
12x12
144
the space between two intersecting lines or surfaces at or close to the point where they meet, what is that called?
an angle
what do you call two lines that meet and make a 90 degree angles
perpendicular angle
True or False: A triangle has intersecting lines
true
Nine hundred eighty-one billion, four hundred twenty-two million, one hundred fourteen thousand, three hundred thirteen