Area / Volume
How do we find the area of:
a. A rectangle
b. A triangle
a. Length x width
b. Base x height / 2
Evaluate: a - b if a = -2 and b = -5
a - b = 3
Solve: 4/9 x p = 72 (No calculator!)
p = 162
Multiply: (2 x 10-14)(9 x 106)
Write out your answer in proper scientific notation.
1.8 x 10-7
The ratio of tulips to roses in the garden was 12 to 3. If there were 36 roses, how many tulips were there?
144 tulips
What is the volume of a cube that measures 3 inches on each side?
V = L x w x h = 3 x 3 x 3 = 27 inches3
Compare: x ___ y
if x and y are negative and x/y = 2
(Give two specific examples to support your claim.)
x is less than y
Write out an equation, then solve: (No calculator!)
Twenty-four is what percent of 30?
80%
b - 1 2/3 = 4 1/2
(No calculator! Fraction or mixed number answer.)
37 / 6 or 6 1/6
The team's ratio of games won to games played was 3 to 5. If the team played 25 games, how many games did the team fail to win?
10 games that the team failed to win
What is the surface area of a cube that measures 2.5 feet on a side?
Area = 2.5 x 2.5 x 6 = 37.5 feet2
Evaluate: (ab + a) / (a + b)
if a = 10 and b = -5
-8
The 62-ounce container is priced at $4.34. The 120-ounce container is priced at $10.80. Which container is the better buy?
The 62-ounce container is the better buy.
23 + 22 + 21 + 20 + 2-1 + 2-2
(No calculator! Fraction or mixed number answer.)
15 3/4 or 63/4
If sound travels 3.25 miles in 20 seconds, how far does sound travel in 3 minutes?
29.25 miles
What is the surface area of a box of tissue that has measures of 10 inches long by 3 inches wide by 1.5 inches tall?
Area = 2(10 x 3) + 2(3 x 1.5) + 2(1.5 x 10)
= 99 inches2
12.3 = 4.56 + f
What is the value of f?
f = 7.74
The shoes were one sale for 22% off.
a. If the regular price was $97.50, what was the sale price?
b. If the tax rate in our area is 4.5%, what was the total price for the shoes?
a. $76.05
b. $79.47No calculator:
Simplify:
Six tenths times three and one-third divided by 21
When our neighbor sold their house, the paid the realtor a fee of 5.5% of the price. If the house sold for $195,000, how much was the realtor's fee?
$10,725
Convert 1.2 m2 to cm2
12,000 cm2
What is the value of the following? (No calculator!)
3.2 x 4-2 x 102
20
Seventy percent of the citizens voted for Rachel for Vice-President. If 240 citizens did not vote for Rachel, how many citizens voted?
800 citizens
Simplify:
a. -5 + -4 - (-6)
b. 30 - (-50) - 45
a. 3
b. 35
Mallory was delighted when she discovered that she had answered 95% of the questions correctly. If she got 4 questions wrong, how many questions were on the test?
80 questions