Order of Operations
72 + 1 x 3
75
1/4 + 7/9
37/36 = 1 1/36
81:108 = x:156
117
Area of a rectangle with a length of 12.2 in and width of 2.1 in.
25.62 in2
This is a letter or symbol used to represent a number
What is a variable?
28/2 x 3 x 2
84
789.3 - 0.09
789.21
The ratio of red cars to blue cars in a parking lot was 9:7. If there were 36 red cars, how many blue cars were there?
28 blue cars
Area of a triangle with the base of 18 cm and the height of 10 cm.
90 cm2
This is made up of one or more numbers, one or more variables, or both numbers and variables
What is an expression?
(12-7)3 x 2
250
5 2/9 - 2 2/3
2 5/9
A recipe called for the ratio of sugar to flour to be 8:5. If you used 72 ounce of sugar, how many ounces of flour would you need to use?
45 oz flour
Find the area of a trapezoid where the bases are 10 in and 12 in and the height is 6 in.
66 in2
This is the sum of the areas of all faces (or surfaces) on a 3D shape.
What is surface area?
(10+42)+10+10+56÷7
54
236.9 x 2.3
544.87
Find the basic ratio for 300:117
100:39
Find the area of a octagon where the base 8 cm and the “height” is 8 cm.
256 cm2
These are parts of an expression that are added or subtracted.
35 x 32
2187
4 3/5 x 2 8/9
598/45 = 13 13/45
Find the basic ratio for 352:544
11:17
Find the surface area of a rectangular prism with that length is 12 in, width is 5 in, and height is 10in.
460 in2
This means to substitute given values for the variables, and then solve by following the Order of Operations.
What is evaluate?