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Rewriting Expressions
By D P Clay
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Last updated over 6 years ago
7 questions
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Note from the author:
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Quick assessment on writing expressions and parts of expressions
Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Question 6
6.
Question 7
7.
A student was trying to represent the following sentence using an algebraic expression:
h
times 3
Sort the answer options into either correct or incorrect.
h3
3h
3xh
3 / h
h to the third power
Correct!
Incorrect
Decide the placement of each statement:
Coefficient goes before the variable
An algebraic expression has an exponent
An algebraic expression has an variable
An algebraic expression has an equal sign
3m is bigger than 2y
A variable is a capital letter
x to the zero power = 1
Always True
Sometimes True
Never True
Problem 3 Got it?
What is an algebraic expression for
8 less than the product of a number x and 4
?
8(x + 4)
8 - 4x
x/4 + 8
4x - 8
Problem 3 Got it?
What is an algebraic expression for
twice the sum of a number x and 8
?
x + 2(8)
x(x + 8)
2x + 8
2(x + 8)
Problem 3 Got it?
What is an algebraic expression for
the quotient of 5 and the sum of 12 and a number x
?
A
B
C
D
Problem 4 Got it?
What word phrase can you use to represent the algebraic expression?
the sum of a number
n
and 3
the product of a number
n
and 3
the quotient of a number
n
and 3
the difference of a number
n
and 3
Problem 4 Got it?
What word phrase can you use to represent the algebraic expression 5
x
- 1?
the sum of 5 and the product of 1 and a number
x
five more than 1 times a number
x
five times a number
x
less 1
five times a number
x
plus 1