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Duplicate of Using Variables to Write Expressions Flashcards | StudBud
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Duplicate of Using Variables to Write Expressions
Duplicate of Using Variables to Write Expressions
14 terms
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StudBud Administration
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Students will write numerical expressions with variables to represent relations expressed verbally.
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Questions
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Answers
1
three dollars more than the cost of c
c3
c-3
c + 3
3 + c
2
a number i added to 50
50 - i
50 + i
50 ÷ i
50i
3
The cost of w lunches for $7 each
7w
7 ÷ w
7-w
7 + w
4
twelve pencils decreased by a number n
12 - n
n - 12
12n
12 + n
5
5 times a number b
5b
5 + b
b - 5
5 - b
6
a number j divided by 3
j ÷ 3
3 ÷ j
3j
3 x j
7
A quantity of rolls, r, added to 8 bagels?
8r
r - 8
8 + r
8 ÷ r
8
three less than two times an amount x
2x - 3
3 - 2 - x
32 -x
3x -2
9
a apples divided by 8
8 - a
a ÷ 8
8 ÷ a
8a
10
Multiplication problems can be written like 5⋅r and 5r.
False
True
11
7 less than a number d
7 + d
7d
d - 7
7 - d
12
the sum of 9 and a number x
9x
9 - x
9÷x
9 + x
13
What is a variable?
the answer to a multiplication problem
a mathematical phrase that uses operations and letters
quantity that can change and is represented with a letter
the answer to a subtraction problem
14
6 times a distance d
6d
6 - d
d + 6
d ÷ 6