Writing expressions
Solving equations with variables on one side of the equal sign
Solving equations with variables on both sides of the equal sign
Comparisons
Word Problems
100
What does 12y mean?
12 x y
100
What is 3p/8 + 4, if p is 16?
10
100
Solve: 10n + 6 = 15n - 9
3 = n
100
What comparison sign best fits the expression, if x is 5. 2x + 3 ___ 10x / 10
>
100
Favio has some apples. He puts the apples in y boxes of 4 oranges and has 6 oranges left. How many oranges does he have in terms of y?
4y + 6 oranges
200
Elisa makes y cards in 5 minutes. How many cards does she make in one minute?
y / 5
200
For what value of x will "5x - 3 = 57" be true?
12
200
Solve: 4p + 8 = 12p - 16
3 = p
200
What comparison sign best fits the expression, if y is 3. (90 - 5y) / 3 ____ 10 x (y + 1)
<
200
Favio has some apples. He puts the apples in y boxes of 4 oranges and has 6 oranges left. If p = 9, how many oranges does Favio have?
42 oranges
300
How would you write an expression for the sentence "Divide the sum of 15 and y by 7" ?
(15 + y) / 7
300
For what value of z will "3y + 4 = 25" be true?
7
300
Solve: 6y - 15 = y + 40
y = 11
300
What comparison sign best fits the expression, if m = 2. 18m ___ m (1 + 2)
<
300
Christina bought 6y + 3 books. Fernando bought 10y - 4 books. If y = 4, who bought more books?
Fernando, with 36 books. (Christina bought 26).
400
Write an expression for the sentence "Multiply the product of 3 and z by 4"
(3z)4
400
For 4x = 64, what is x?
16
400
Solve: 5m - 9 = 3m + 17
m = 8
400
What comparison sign best fits the expression, if b is 8. 7b ____ b + 2b
>
400
Adam has 95 kiwi. He packs 15 into a box and the remaining kiwi into plastic bags with 10 kiwi each. How many plastic bags does he need?
8 bags.
500
Write an expression for the sentence "Tomas buys 10 pens for y dollars each"
10y
500
2y - 5 = 27
16
500
Solve: 6w - 6 = w + 54
w = 12
500
Write the expression for 200 less than the sum of 3 and x.
(3 + x) - 200
500
John is y years old. John´s dad is 3 times John´s age. John´s brother is 30 years younger than John´s dad. If y = 20, how old is John´s brother?
John´s brother is 30.
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