Writing Alg. Expressions
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x x 3
Write an expression using the picture above
x + x + 3 or 2x +3
If a = 5 and b = 6, what is the value of ab - b?
24
Solve for x.
x + 12 = 20
x=8
In the fruit bowl there are 4 apples, 2 bananas, and 5 pears. What is the ratio of pears to ALL fruit?
5:11
Write as a fraction, decimal, and percent
7/10, 0.7, 70%
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2c f
2c + f
What is the value of x + y if x = 3 and y = 5?
8
What is the value of x?
x + 23 = 45
x=22
Tommy has a bag of LEGOS. There are 6 yellow, 3 red, and 8 blue LEGOS. What is the ratio in simplest form of red to yellow LEGOS?
1/2
Ratio is 4:5
Write this as a fraction, decimal, and percent.
4/5, 0.8, 80%
x x 2
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24
Write an equation and solve for x.
2x + 2 = 24
x = 11
If n = 7, then solve: 20 - 2n.
6
4x = 24
x=6
A box holds 20 marbles. There are 13 green marbles and the rest are yellow. What is the ratio of yellow marbles to green marbles.
7:13
What 2 numbers will have an absolute value of 7?
7 and -7
Translate this phrase into an algebraic expression.
8 less than the product of 4 and a number
Use the variable m to represent the unknown number.
4m - 8
What is 3 + 4z, if z = 6.
27
5x + 3 = 28
x = 5
A recipe requires 2 cups of milk for every 3 cups of flour. If you use 8 cups of milk, how many cups of flour do you need?
12 cups of flour
3 1/5 + 5 2/5
8 3/5
x x x x
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400
Write an equation and solve for x.
4x = 400
x=100
50 - n ÷ 2 = ?
n = 30
35
x/6 = 4
x=24
Brian, Tim and Kenny got paid a total of $240 for mowing neighborhood lawns. They split the money in the ratio of 5: 9: 10.
How much less did Brian make than Tim?
$40
8 3/4 + 7 5/6
16 7/12