Decimals, Percents, Ratios, Proportions
Convert to a repeating decimal or round to the nearest thousandth:
15/21
What is 0.714?
Solve:
-2 - (-17)*6
What is 100?
How would you describe between supplementary and complimentary angles?
Supplementary add up to 180 degrees, which complimentary add up to 90 degrees. (Remember "C" is for corner.
What is 11.8? Or what is 153/13
Solve:
3/4 divided by 7/8
What is 6/7?
Write the unit rate as a complex fraction, simplify it as a decimal rounded to the nearest hundredth and include the units:
Alex walked 2 1/3 miles in 3/5 of an hour.
What is 7/3 miles / 3/5 hours ?
and
What is 3.89 mi/hr ?
Simplify:
X*X*X+X+X+15+(-67)
What is X^3 + 2X - 52 ?
Calculate the radius of a circle with a circumference of 14.45 inches.
What is 2.3 inches?
A cafeteria offers a main dish with chicken or beef. The customer then chooses a side of rice, pasta, or potatoes. Then they can choose between salad, green beans, or broccoli. Lastly they can choose a cookie or a cupcake for dessert.
Find how many possible meal combinations are there?
What is 36?
Factor (use the distributive property backwards):
16 - 4m
What is 4(1 - m)
Car A is able to drive 560 miles on 11.5 gallons. Car B is able to drive 615 miles on 12.5 gallons. Find out which car has the better gas mileage.
2y + 3/2 = 4/5
What is -0.35 or -35/100 or -7/20 ?
Calculate the area of a circle with a diameter of 18 cm.
What is 254.5 cm squared?
In 2019 Mrs. Smejkal received 1,200 emails. In 2020 she received 1,850 emails. Find the percent increase from 2019 to 2020.
What is 54% ?
Solve the inequality:
-3x + 7 < 64
Draw a number line on the board to graph your solution.
What is x > -19 ?
The equation for simple interest is I = prt.
If Jordan invests $2,300 with an annual interest rate of 6%, how much money could he withdrawal after 6 years?
What is $3,128?
What is an equation for the situation?
A pair of jeans is discounted by 1/6 of the original price (p), and now they cost $23.
Find the original price of the jeans.
What is 5p / 6 = 23 or p - p/5 = 23
What is $27.60 ?
A triangle has a hypotenuse of 35 mm and another side that measures 25 mm. Find the approximate length of the third side.
A family of four goes out to eat for dinner. They order four cheeseburgers, each costing $4.55. They also a plate of loaded fries for $3.75. They each order a soft drink for $1.50 . They bring a coupon with them for 15% off their whole meal. They pay 5.5% in taxes and tip their waitress 18% after the discount is applied. Find the total cost of the family's food bill. You may use a calculator.
What is $29.34?
If a line has a slope of -3/4 and one of the points on the line is (0,5), what is another point on the line?
Answers may vary. (x,y) could be plugged into the equation y = -3/4 x +5
750 mL of oil weighs 560 g. What would 1.2 L of oil weigh in grams?
What is 896 g ?
Solve:
2(x - 5) = 4(x +3)
What is x = -11 ?
A room measures 4.3 inches by 3.2 inches on a house plan with a scale of 1 in : 3 ft.
Calculate the actual area of the room in feet.
What is 123.8 ft squared?
Chris can run at a speed of 13 km/h. How long (in minutes) will it take him to run to his school and back if his school is 600 m away? (Hint: 1 km = 1,000 m)
What is 5.5 minutes?
True or False? Both of Mrs. Smejkal's children have names that start with the letter "c."
What is False? Her son spells his name with a K for Konrad.