Examples for 5th grade (the fifth graders)
- Adding mixed numbers
Add this two mixed numbers: 1 5/6 + 2 2/11=
- The average
The average of one set of 4 numbers is 35. The average of another set of number is 20. The average of the numbers in the two sets is 30. How many numbers are there in the other set?
- One kilogram
The apple weighs 125 grams and half apple. How many apples weigh 1 kilogram?
There were 24 pimps in the plate. Maros ate 12, his little sister four times less. How many pimps remained in the plate?
One brick is 6 kg and half a brick heavy. What is the weight of one brick?
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 180 cats eat 180 mice?
Is the number 761082 exactly divisible by 9? (the result is the integer and/or remainder is zero)
A cyclist passes 88 km in 4 hours. How many kilometers he pass in 8 hours?
Monkey fell in 38 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?
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
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
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.
The cube has area of base 225 mm2. Calculate the edge length, volume and area of its surface.
After check of textbooks found that every 10-th textbook should be withdrawn. Together 58 textbooks were withdrawn. How many textbooks were in stock before withdrawn and how many after withdrawn?
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 28.
- School trip
School trip cost 90 Eur for one class (20 students). How much would cost a trip for two classes? (both classes together have 40 students)
- It is rectangular?
Size of two of the angles in a triangle are: α=110°, β=40°. Is it a right triangle?