Number Operations
The table shows how Ken spent a 12-hour day.
School - 6 hours Play - ?
Other Activities - 4 hours
Q. How many hours did he spend playing?
Answer: 2 hours
Mike bought a dozen pencils for $6.25. He sold each pencil for $0.75. Calculate the profit he made after selling all the pencils.
$2.75
If 8 oranges cost $4.00, calculate the cost of 2 dozens oranges.
$12
The floor of the principal's office measures 15 feet by 21 feet.
Q. Calculate its area.
Answer = 315 sq. feet
There are 50 students in a class. If 14% are absent on a particular day, find the number of students present in the class.
43 students
Solve for the answer:
9 + (20 divided by 4) X 2 - 7
Answer = 12
The following is the price list for St. Mary's Snack Shop.
Takis = $2.25 each
Top Tops = $1.80 each
Chips and Dip = $1.25 each
Regular Chips = $0.75 each
Big Foot Chips = $2.15
Q. How much change would I receive from $20 when I buy 2 Takis, 1 regular chips and 1 Big Foot Chips?
Answer = $12.60
If 3 men paint St. Mary's School building in 10 days, how long would it take 5 men to paint the same building, working at the same pace and same condition.
Answer = 6 days
Martha left home for school at 7:10 am. She reached school at 8:25 am.
Q. How long did she take to walk to school?
Answer = 1 hours 15 minutes or 75 minutes
Robin has 5 pairs of pink socks, 6 pairs of yellow socks and 4 pairs of red socks in her drawer. What is the probability that she will randomly pick a pair of yellow socks to wear? (Give your answer in percentage)
40%
Solve for the answer:
2 1/2 divided by 1 1/3 subtract 1 1/2
Answer = 3/8
Elena works at a car dealership and earns a basic salary of $400 per week, plus a 3% commission on all her total sales. If she sells cars totaling $25,500 in one week, what is her total gross pay for that week?
$1165
Share $85 for Kim and Beth so that Kim receive $15 less than Beth.
Q. Calculate each person's share of money.
Kim's Share ___________
Beth's Share __________
Kim's Share $35
Beth's Share $50
A rectangular room measures 12 feet by 15 feet. New carpet costs $4.50 per square foot. What is the total cost to carpet the room?
$810
Mr. Jones has an apartment building that is eleven stories high. All of the even number floors have five apartments. All of the odd number floors have four apartments. How many apartments are in Mr. Jones' building?
49 apartments
Sarah is measuring ropes for a school project. She has a rope that is 11m long. If she cuts off a piece that is 2 3/5m long, how much of the rope is left?
8.4m or 8 2/5m
Watch your money grow at the Saver's Bank. We pay 12% interest on savings per year.
Mr. smith deposited $850 in his savings account.
Q. How much interest will Mr. Smith receive at the end of 2 years?
Answer = $204
If 9 women can sew 300 dresses in 8 weeks, how long would it take 4 women to sew the same amount of dresses, working at the same rate and condition?
Answer = 18 days
A rectangular aquarium is 20 inches long, 10 inches wide and 12 inches deep. If 1 cubic inch is equal to approximately 0.0043 gallons, how many gallons of water can the aquarium hold?
10.32 gallons
In a basket of apples, 12% of them are rotten and 66 are in good condition. Find the total number of apples in the basket.
75 apples
Sack of Flour (110 pounds)
The Jones' Family uses 6 1/2 pounds of flour daily.
Q. Calculate how much flour is left after 15 days.
Answer = 12.5 or 12 1/2 pounds of flour
Smart-Buy Blow Out Sale
BUY A TABLET NOW FOR ONLY $900.
Option One: (Pay cash and get 15% discount)
Option Two: (Pay 25% of cash price, plus 15 monthly payments of $75.00 each
Q. Calculate the total amount for the tablet using Option 1.
Answer = $765
Grandma shared $496 for her three grandsons: Mike, Jeff and Peter in the ratio of 1:2:5 respectively.
Q. Calculate each person's share of money.
Mike's Share _______
Jeff's Share ________
Peter's Share ________
Answers:
(a) Mike's Share = $62
(b) Jeff's Share = $124
(c) Peter's Share = $310
The diagram shows a school building floor plan.
┌────────────────────┬────────────────────┬────────────────────┐
│ Male Bathroom │ Storage │ Female Bathroom │
├────────────────────┴─────────┬──────────┴────────────────────┤
│ │ │
│ │ │
│ Classroom A │ Classroom B │
│ │ │
│ │ │
└──────────────────────────────┴───────────────────────────────┘
◄──────────── 60 feet ────────────►
▲ ▲
│ │
45 feet 30 feet
│ │
▼ ▼
The diagram shows 5 rooms. Classroom A is the same size as Classroom B. The bathrooms and storage room are the same size.
Q. What is the perimeter (in feet) of the floor of the storage room?
Answer = 70 feet
The frequency table shows the type of tennis worn by 40 boys in a class.
Jordan 12, Nike 10, Adidas 7, Puma 11
Q. What percentage of the boys wear Jordan?
Answer = 30%