# Examples for 5th grade (the fifth graders)

- Written number

Place+values x ten thousands =30 thousands - Expression 8

Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2 - School

There are 150 pupils in grade 5 . 2/3 of it are female. By what fractions are the males? - Expression 6

Evaluate expression: -6-2(4-8)-9 - Brick

One brick is 6 kg and half a brick heavy. What is the weight of one brick? - Chocolate

Randy bought 6 same chocolates for 6 Eur. How many euros will he pay for 25 chocolates? - Three cats

If three cats eat three mice in three minutes, after which time 110 cats eat 110 mice? - Divisibility

Is the number 761082 exactly divisible by 9? (the result is the integer and/or remainder is zero) - Cyclist

A cyclist passes 88 km in 4 hours. How many kilometers he pass in 8 hours? - Monkey

Monkey fell in 32 m deep well. Every day her scramble 3 meters, at night dropped back by 2 m. On that day it gets hangover from the well? - Diophantus

We know little about this Greek mathematician from Alexandria, except that he lived around 3rd century A.D. Thanks to an admirer of his, who described his life by means of an algebraic riddle, we know at least something about his life. Diophantus's youth l - Medicament

Same type of medicament produces a number of manufacturers in a variety of packages with different content of active substance. Pack 1: includes 60 pills of 600 mg of active substance per pack cost 9 Eur. Pack 2: includes 150 pills of 500 mg of active sub - Chickens

2 chickens give 2 eggs in 2 days. How many eggs can give 8 chickens for 8 days? - Homeless Dezider

Homeless Dežko has 9 coins in jacket: Calculate the value of its assets and calculate how many bottles of wine for 0.55 EUR can he buy. - Tereza

The cube has area of base 225 mm^{2.}Calculate the edge length, volume and area of its surface. - Textbooks

After check of textbooks found that every 10-th textbook should be withdrawn. Together 58 textbooks were withdrawn. How many textbooks were in stock before withdrawn and how many after withdrawn? - Subtraction

How many times you can subtract the number 2 from the number 32? - Youth track

Youth track from Hronská Dúbrava to Banská Štiavnica which announced cancellation attracted considerable media attention and public opposition, has cost 6.3 euro per capita and revenue 13 cents per capita. Calculate size of subsidies to trip group of 10. - It is rectangular?

Size of two of the angles in a triangle are: α=110°, β=40°. Is it a right triangle? - School trip

School trip cost 1242 Kč for one class (23 students). How much would cost a trip for two classes? (both classes together have 44 students)

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