# 7th grade (12y) - math problems

Mathematical word problems allow you to practice your mathematics knowledge in everyday life tasks. Word problems train to understand, translate into the mathematical language (e.g., equations), solve it, and 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.

248body volume

158cuboid

114surface area

94prism

79cylinder

72cube

18sphere

12cone

529equation

18sets

16line

348reason

336fractions

272ratio

189percentages

10per mil

18integers

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

- 1.5 divided

1.5 divided by 1 = w divided by 4 - Quadratic equation

Solve quadratic equation: 2x^{2}-58x+396=0 - Classroom 3

How many children are in the classroom, where 13 children are higher than Lenka and 9 children lower than Lenka? - Brick weight

The brick weighs 2 kg and a half bricks. How much does one brick weigh? - Seven

Seven friends agree to send everyone a holiday card. How many postcards were sent? - Compare

What's more? Fill in the signs of equality or inequality: 12 000mg ? 0,12kg 12t ? 0,12kg 14kg ? 0,014t 423mg ? 0,423kg 12,3g ? 0,001 23kg 89g ? 89 000kg - Class 9A

On the final certificate have one quarter of the class 9A mark "C" of mathematics, seventh mark "C" from the Czech language and two students failed in chemistry. How many students attend class 9A? - Again saw

From the trunk of the tree we have to a sculpture beam with rectangular cross-section with dimensions 146 mm and 128 mm. What is the trunk smallest diameter? - Guppies for sale

Paul had a bowl of guppies for sale. Four customers were milling around the store. 1. Rod told paul - I'll take half the guppies in the bowl, plus had a guppy. 2. Heather said - I'll take half of what you have, plus half a guppy. The third customer, Nancy - Pizza master

Master says that he can splits pizza to 16 parts by five equals straight cuts. Is it possible? - Knight

Knight passed 13 km long track in 26 minutes, what was his average speed? - Two accounts

Two accounts in the bank, one per year interest 2%, the second 3%. Total interest income 1900 USD. If interest rates were reversed, the yield would be USD 200 higher. What are the amounts on each account? - Squares

Calculate the area of square and result round to square decimeters. a) a = 1,52 dm b) a = 13 268mm c) a = 562 cm d) a = 1,52 m - Progression

-12, 60, -300,1500 need next 2 numbers of pattern - Czech crowns

Small Petra save money. Grandfather give her 10 crowns. Petra asked his older sister let her calculate how much he has saved up. Sister told her that he has less than 30 crowns. If the sum is divided by three left one crown. If the sum is divided by the f - Water tanks

A different amount of water is poured into each of the three identical vessels. In the first vessel, water fills 30% of its volume and in the second vessel 40% of its volume. The third container contains 19 liters of water. If we distributed the water fro - Car repair

John bought a car for a certain sum of money. He spent 10% of the cost to repairs and sold the car for a profit of Rs. 11000. How much did he spend on repairs if he made a profit of 20%?

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