# Math word problems

Mathematical word problems allow you to practice your knowledge of mathematics in tasks of everyday life. Examples train understanding, translation into the mathematical language (eg equations), solve it, check the accuracy and solution discussion.

Choose a topic you want to calculate and improve in.

Choose a topic you want to calculate and improve in.

452body volume

262surface area

218cuboid

136cylinder

131cube

130prism

72sphere

63cone

59pyramid

1159equation

163divisibility

55sets

65line

38vector

755reason

514percentages

480fractions

440ratio

29per mil

25minimum

22maximum

12modulo

grade

23598th grade (13y)

22089th grade (14y)

17827th grade (12y)

1569high school

11386th grade (11y)

1444th grade

116sine

101cosine

95tan

23arcsine

586triangle

350circle

295perimeter

258rectangle

186diagonal

186square

111trapezoid

81rhombus

69n-gon

17rhomboid

16sine law

themes, topics

189common work

78mixtures

93mean

394division

229adding

216subtracting

203square root

102power

92rounding

673time

547volume

509length

389money

343angle

269mass

262area

258velocity

88density

35energy

74integers

### From our database of math word problems and examples we offer:

- Metallurgical enterprise

Metallurgical company daily produces 318 tons of cast iron. How many tons of coke it burns to melt cast iron when 10 tons of cast consumes 6 tons of coke? - Quadratic equation

Solve quadratic equation: 2x^{2}-58x+396=0 - Swing

A child weighing 12 kg is sitting on a swing at a distance of 130 cm from the axis of rotation. How far away from the axis of rotation (center) must sit down his mother weighs 57 kg if she wants to be swing in balance? - Down syndrome

Down syndrome is one of the serious diseases caused by a gene mutation. Down syndrome occurs in approximately every 550-born child. Express the incidence of Down's syndrome in newborns at per mille. - Yogurt

The board is 35 yogurts. How many boards of yogurts must be ordered for 886 people in the canteen? - Area to volume

If the surface area of a cube is 486, find its volume. - Air mass

What is the weight of the air in a classroom with dimensions 10 m × 10 m × 2.7 m ? The air density is 1.293 kg/m^{3}. - Employees

Of all 360 employees, there are 11/12 women. How many men work in a company? - Diagonal

Calculate the length of the diagonal of the rectangle ABCD with sides a = 8 cm, b = 7 cm. - Euclidean distance

Calculate the Euclidean distance between shops A, B and C, where: A 45 0.05 B 60 0.05 C 52 0.09 Wherein the first figure is the weight in grams of bread and second figure is price in USD. - Circumference - a simple

What is the ratio of the circumference of any circle and its diameter? Write the result as a real number rounded to 2 decimal places. - Triangular pyramid

It is given perpendicular regular triangular pyramid: base side a = 5 cm, height v = 8 cm, volume V = 28.8 cm^{3}. What is it content (surface area)? - Subsets

How many 19 element's subsets can be made from the 26 element set? - Reciprocal

For given real numbers, calculate reciprocal number. - Radioactive material

A radioactive material loses 10% of its mass each year. What proportion will be left there after n=6 years? - Coin

How many 50-cent coins must be put in a row that next 50-cent coins after them (above) rolled on it axis? - Chord

In a circle with radius r=60 cm is chord 4× longer than its distance from the center. What is the length of the chord?

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