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Evaluating Expressions
R-GEMDAS
Translating Expressions and Equations
Distributive Property
Fill in the blank...
100
(y + x) ÷ 2 + x; use x = 1, and y = 1
2
100
(2 + 6 x 2 + 2 - 4) x 2
What is 24.
100
Write an equation. Use n = number of students t = number of teachers the number of students a school can enroll if each teacher can have 18 students
What is n = 18t
100
Simplify: -2(x - 8)
-2x + 16
100
One of the ________________ used to ________ equations is the identity property of addition.
properties and solve
200
p (cubed) + 10 + m; use m = 9, and p = 3
46
200
(10 + 2 - 2) x 6 - 1
What is 59
200
Translate: four plus the quantity of 8 minus a number
4 + (8 - a)
200
Simplify: 9(2x - 3)
18x - 27
200
The __________ __________ of a number is it's distance away from zero.
absolute value
300
y ÷ 5 + 1 + x ÷ 6; use x = 6, and y = 5
3
300
2[(13 – 7) ÷ 3]
What is 4
300
Define variables for this situation: The lunch cost $15.99 per person.
Let c = total cost Let p = number of people
300
Use the Distributive Property in reverse: 4x - 16
4(x - 4)
300
Order of Operations:What does GEMDAS stand for?
Grouping, exponents, multiplication, division, addition, subtraction
400
6(a + 2b) + b(squared) for a = 4 and b = -2
4
400
a = 3, b = 2, c = 1. Simplify. 9(a + 2b) + c
What is 64
400
Translate: seven plus three times a number
7 + 3a
400
Use the Distributive Property in reverse: -28r - 7
7(-4r - 1)
400
The ___________ _________ looks very similar to the actual ________.
practice, test, test
500
y − (4 − x − y ÷ 2); use x = 3, and y = 2
2
500
a = 3, b = 2, c = 4. 2a – (4b + c)
-6
500
Write an equation. Be sure to define your variables. The amount of money a person has is equal to their savings of $400 per month.
Let m = amount of money a person has Let p = number of months m = 400n
500
Simplify: 5 - (3x + 2) - 8x + 10 - 2x + 6x -8 + 2
-7x + 7
500
Unit 1: ___________ and ______ ______________.
variables, real numbers