Maths practice for 14 year olds - page 27 of 369

Number of problems found: 7364

Map scale
On a map, on a scale of 1:50000, what is the distance in kilometers that 6 cm on the map represents?
Cheap chocolate
Lucy's chocolate bar is 29% cocoa. If the weight of the chocolate bar is 100 grams, how many grams of cocoa does it contain? Round your answer to the nearest tenth.
A statue
A statue on a shelf is recreated on a computer screen. The actual statue is 14 in. tall and 4 in. wide. The statue on the computer screen is 1.5 in. wide. How tall is the statue on the computer screen?
Share 5
Share 30 oranges between Shola and Ade in the ratio 2:3. Find Shola's share and Ade's share.
Y-intercept
Find the y-intercept of the graph (-3,-3), (4,3), (8,3). The x-intercept is 1/2.
A triangle 9
A triangle has an area of 16 1/2 square units. The height is 3 2/3. What is the base?
Line in normal form
Try to find the equation of a line given two points in the form Ax+By=C. passes through the points: (2,1) and (-2,2)
Line slope
What is the slope of the line with points (-1,-3) and (-5, 2)?
Fraction equation
3/5 of a number is 6, more than 1/5 of the number. What is the number?
Rectangle - general expression
Find the area of a rectangle whose width is x-2 units and length of x+4 units.
On monday 2
On Monday, 1/4 of the workers were absent. On Tuesday, only 1/6 of the workers were absent. If 12 more workers were absent on Monday than on Tuesday, how many workers are there altogether?
So far
So far on its tour, a band sold out 3 shows and did not sell out the other 3 shows. Considering this data, how many of the band's next 4 shows would you expect to be sold out?
Assume 2
Assume you are working with a standard six-sided die. What is the probability of rolling the die once and obtaining a 5 and then rolling the die again and obtaining a 2? (input 3 numbers after the decimal, do not round). Report probability as a proportion
Percent increase
What is the base figure if 2000 is the end figure and the base figure was increased by 18%
Megabytes in digital photos
A color photograph taken with a digital camera is converted into a digital format using 4. 10⁰ bytes per pixel. Photographs taken with the camera each have 2.2. 10⁶ pixels. How many bytes are there in one photo? Write your answer in
A cone 3
A cone has a diameter of x cm and a slant height of y cm. A square pyramid has a base side length of x cm and a slant height of y cm. Which has the greater surface area? Explain.
The slope 2
What is the slope of the line that passes through the points (-4, -7) and (-2,-19)? Write your answer in the simplest form.
Sami received
Sami received a salary of € 73.50 for 7 hours. How much would the salary have been in 8 hours?
The quotient
If the quotient of a number and 16 is added to 1/4, the result is 9/16. Find the number.
Tadeo
Tadeo volunteered at the library 6 times as many hours over the weekend as Dylan. Together, they volunteered a total of 14 hours. How many hours did each person volunteer over the weekend? Write a system of equations that represents the situation. Let x r

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