Текстовые задачи
Дроби
Geometry and Spatial Reasoning
Measurement
Probability and Statistics
100

The sum of the ages of Kristen and Ben is 32. Four years ago Kristen was twice as old as Ben. How old are they both now?


4 years back Karen was 16 and Bob was 8.

Hence, now Karen is 20 (16+4) and Bob is 12 (8+4).

100

Найдите значения х, при которых выражение  имеет смысл

3/5

100
A rotation can be described by these two things?
What are a center point and angle of rotation?
100
The area of square ABCD is 400 square centimeters. This is the area of a square that has a side length that is one-half of the side length of square ABCD.
What is 100cm² ?
100
A random survey of 75 eighth graders at Cedar Middle School showed that 37 of them do volunteer work. This is the approximate number of students who do volunteer work out of the 500 eighth graders at the school.
What is 247 ?
200

Mr. Hines paid $8.40 for an international phone call. He paid a fee of $1.25 plus $0.55 per minute. This is an equation can be used to find x, the length of the call in minutes?

What is 0.55x + 1.25 = 8.40

200

При каких целых значениях m  дробь ((m-1)(m+1)-10))/m

принимает целые значения?

+-1

+-11

200

Площадь прямоугольного треугольника равна 168 см2. Найдите его катеты, если отношение их длин равно 7/12.

14,24

200
Matt's father has a computer desk in his study. The desktop is 60 inches long and 24 inches wide. Matt's father wants to build a proportionately smaller replica of his desk for Matt to use in his bedroom. If the length of Matt's desktop will be 45 inches, then this will be the perimeter?
What is 126 in ?
200
A school committee conducted a survey to find out whether teachers would prefer to start the school day 30 minutes later. Only teachers with children in preschool were surveyed. This is the reason why the results of this survey might NOT be a valid representation of what all the teachers at the school would prefer?
What is "The survey was not conducted using a random sample of teachers."
300

Fred pays the same amount of property tax each month. His total property tax for the year is $1,545. This is his monthly tax payment in dollars and cents?

What is $128.75

300

Докажите что при любых значениях переменной значение выражения 

(x3+3x)/((x+2))-((3x2-14x+16)/(x2-4))+2x

x2+4>0

300

 На рисунке АВ = ВС, ∠1 = . Найдите ∠2.


30

300
A plastics company makes two sizes of recycling bins in the shape of rectangular prisms. The smaller bin has a volume of 500 cubic inches. The length, width, and height dimensions of the larger bin are twice those of the smaller bin. This is the volume of the larger recycling bin?
What is 4,000 in³ ?
300
Mr. Williams bought three raffle tickets at a marching band fund-raiser. He finds out how many tickets were sold and calculates that his theoretical probability of winning is 1 in 150. This is the number of that tickets were sold?
What is 450 ?
400

Lucy reads 450 words in 3 minutes. This is an equation that can be used to find w, the number of words Lucy can read in 20 minutes if she continues to read at the same rate?

What is w = (450/3)*20

400

Докажите, что при всех значениях y ≠ ±3 значение выражения 2y/(y+3) + (y–3)2 • (2/(9–6y+y2) + 1/(9–y2)) не зависит от у.

3

400

The Texas Star, at Fair Park in Dallas, is the largest Ferris wheel in the western hemisphere. It has a diameter of 65 meters. This is the approximate distance traveled by a person who rides this wheel for one complete revolution.

What is 204 m?

400
If triangle ABC has a base of 20 ft and area of 400 square feet, and if triangle DEF is similar and has a base of 10 ft, this would be the area of triangle DEF?
What is 100 ft² ?
400
At the Grand Lakes Basketball Tournament, 4 basketball games are played in 4 different gymnasiums at the same time. If all 4 games begin with a coin toss, this is the probability that all 4 coins will be heads?
What is one out of sixteen
500

Катер прошел  км по течению реки и  км по озеру, затратив на весь путь  час. Скорость течения равна  км/ч. Найти скорость катера по течению.

ответ:  км/ч.

500


20

500
This is the quadrant where the point (-6,-4) lies.
What is Quadrant III?
500
The floor of a room measures 12 feet by 10 feet. The room has 9-foot cailings. The walls of the room are to be painted. This is the area to be painted.
What is 396 ft² ?
500
During the past winter, the Bender family had monthly heating bills of $79, $146, $212, $149, and $212. This is the mean, meadian, mode, and range.
What are... Range: $133, Mode: $212 Median: $149 Mean: $159.60
M
e
n
u