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Writing Expressions
Vocabulary
Factoring
Distributive
Problem Solving
100
five more than the product of seven and the number y
(7y) + 5
100
Algebraic Expressions are made up of __________?
terms
100
5y + 25
5 (y + 5)
100
-5(3a + 4b + 9c)
-15a - 20b - 45c
100
If I buy x lbs. apples at $1.27/lb and y lbs. oranges at $.98. Write an expression for the total amount of apples and oranges I bought.
1.27x + .98y
200
the sum of a number b and twelve divided by eight decreased by 3
b + 12 _______ 8-3
200
Define term.
Term is a combination of numbers and variables that make up an algebraic expression.
200
10a - 20b - 30c
10 (a - 2b - 3c)
200
3(2a + 4b) - 6(4a + 8b)
6a + 4b - 24a - 48b -18a - 44b
200
One-third of a pencil is (5u + 3) inches. How long is the entire pencil?
15u + 9
300
one third of a number a increased by two thirds of twelve
(1/3a) + 2/3x12
300
Define like terms.
Like terms are terms that have the same variables.
300
-12y - 32
-4 (3y + 8)
300
-2(-13a + 19b) - (6a - 12b)
26a - 38b - 6a + 12b 20a - 26b
300
The total length of a submarine is (55y - 25). The width of the submarine is two-fifths the length. What is the wideth of the submarine?
22y - 10
400
five less y increased by fifteen
5 - y + 15
400
Define constant.
Constant is a number without a variable.
400
-14h - 12i - 8
-2 (7h + 6i + 4)
400
4(5a + 7b - 3a) - (4b - 2a - 6b)
20a + 28b -12a - 4b +8a + 6b 16a + 30b
400
A doctor is able to see four times as many patients on Monday than on Tuesday. Write an expression that represents how many patients the doctor see altogether on Monday and Tuesday.
x + 4x
500
What is the definition of an algebraic expression? How does it differ from a numerical expression?
An algebraic expression is a math problem without an equal sign that contains both numbers and variables. A numerical expression only contains numbers.
500
Define coefficient.
A coefficient is a number that attaches to a variable.
500
1.2a + 3.6b - 7.2c
1.2a (3b - 6c)
500
4.5 (2.5a + 6.9b - 8.3c)
11.25a + 31.05b - 37.35c
500
FINAL JEOPARDY: 3(-5a - 6b + 7c) + 2(-5a + 3c) - (4b - 9c)
-15a - 18b + 21c - 10a + 6c -4b + 36c -25a -22b + 63c