The Number System
(Integers)
(Integers)
Evaluate 5 + (-11) - (-11)
5
The ratio of fiction books to non-fiction books in Ms. Duffee's library is 7 to 4. If Ms. Duffee owns 182 fiction books, how many non-fiction books does she own?
104 non-fiction books
What is the coefficient in the expression 10x+ 8?
10
What is the formula for area of a triangle?
1/2 (b x h)
b x h/2
Two angles that add up to equal 90 degrees
complementary angles
Evaluate 2 - (-4) + 3 + (-6) - (-2)
5
Cindy owns 2 cats, 3 dogs, and a lizard as pets. What is the ratio of number of cats to the total number of pets Cindy owns?
2:6 or 1:3
2/6 or 1/3
What expression is equivalent to 4(4a+5)?
16a + 20
What is the formula for area of a rectangle or parallelogram?
b x h
Two angles that add up to equal 180 degrees
supplementary angles
Evaluate.
-6 x 5 = ?
-30
A pancake recipe calls for 1/4 cup of all-purpose flour and 1/4 cup of rice flour. What is the ratio of all-purpose flour to rice flour in the recipe.
1:1
True or False.
The expression 2(8a + 10) is equivalent to the expression 4(4a + 5).
True
What is the formula for area of trapezoid?
1/2 (a + b) x h
Two angles that are across from each other and the same are call what?
Vertical or Congruent
Evaluate.
-7 x (-9) = ?
63
Nathali drinks 8 ounces of milk for every 5 cookies he eats. If he eats 20 cookies, how many ounces of milk does he drink?
32 ounces
Evaluate 8a+3b-10+c^2 when a= 2, b= 5, and c=4.
37
What is the formula for volume of a rectangular prism?
V =l x w x h
V = Bh
Two angles next to each other are called what?
Adjacent
Evaluate.
-30/-5 = ?
6
Triangle B is a scaled (enlargement) copy of Triangle A. If triangle A has side dimensions of 10, 11, & 18, and triangle B has side dimensions of 40, 44, & 72. What is the scale factor?
scale factor = 4
y/x
Solve for x.
3x + 4 + x = 20
x = 4
A triangle has a base of 24 and a height of 20. What is the area of the triangle?
A = 240
What does a straight line measure?
180 degrees