Writing Algebraic Expressions

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Show your work for each problem.

1.
Which expression represents "the sum of a number and 8"?
1. a)
2. b)
3. c)
4. d)
2.
Which expression represents "triple a number"?
1. a)
2. b)
3. c)
4. d)
3.
Write an expression for "a number increased by 5". Use for the number.
4.
Write an expression for "a number divided by 4". Use for the number.
5.
Which expression represents "7 less than a number"?
1. a)
2. b)
3. c)
4. d)
6.
Which expression represents "twice a number plus 3"?
1. a)
2. b)
3. c)
4. d)
7.
Write an expression for "5 more than twice a number". Use for the number.
8.
Write an expression for "the product of 4 and a number, decreased by 6". Use for the number.
9.
A movie ticket costs 15 dollars. Write an expression for the total cost of tickets plus a 10 dollar snack.
10.
Write an expression for "a number decreased by 4, then multiplied by 3". Use for the number.
11.
Which expression represents "twice the sum of a number and 5"?
1. a)
2. b)
3. c)
4. d)
12.
Write an expression for "the quotient of a number and 3, increased by the number itself". Use for the number.
13.
A taxi charges 3 dollars to start plus 2 dollars per kilometer. Write an expression for the cost of a kilometer ride.
14.
Write an expression for "half of a number, minus 3, then doubled". Use for the number.
15.
A phone plan costs 25 dollars per month plus 5 cents per text. Write an expression for the monthly cost with texts.
16.
Which phrase matches the expression ?
1. a)9 decreased by a number
2. b)A number decreased by 9
3. c)A number divided by 9
4. d)9 times a number