Examples for 6th grade (the sixth graders)
Number of examples found: 1270
- Heart as pump
Heart pumps out 5.17 liters of blood in 1 minute. How many liters of blood pumped per hour and how much per day?
Peter has a long rope 2 4/5 meter. Martin has a rope 20 cm longer. What distance ropes achieved if the boys link ropes?
Could 446 tons of potatoes (ρ = 771 kg/m³) fits in a warehouse with a volume of 699 m³ ?
Are two right triangles similar to each other if the first one has a acute angle 70° and second one has acute angle 20°?
- Empty and full
An empty can has a mass of 1/6 lb. When it is filled with sand, it has a mass of 7/12 lb. Find the mass of the sand in the can?
- Area of rectangle
How many times will increase the area of the rectangle, if we increase twice the length and at the same time we decrease the width by the half?
- Rhombus sides
find the sides of a rhombus, it area is 550 cm square and altitude is 55cm
- Charles Bridge
Charles Bridge was 15 times older than Frantův bridge from 1900 in 1931. How old is the Charles Bridge?
- Pool 3
How long will fill pool cuboid shape (8m 6m 1.5m) when flows 15 liters/s?
At the bus stop 8 people take out and 10 people take into bus. Next stop 6 take out and 5 take in. On the third stop 6 take out and 3 take in. The bus traveled further with 39 people. How many passengers were originally at the bus?
Calculate the area and perimeter of a parallelogram whose two sides are long a=24 cm b=22 cm and height ha = 6 cm long.
Three buyers pay € 468. The first paid 3-times more than second, third half over second. How many euros paid each of them?
Aquarium is rectangular box with square base containing 76 liters of water. Length of base edge is 42 cm. To what height the water level goes?
- A swiming
A swiming pool holds 30000lt of water. How many gallons does it hold? 1 gallon= 4.55lt
- Temperature 13
Work out the temperature after each change. The temperature starts at 6°C and falls by 13°C. The temperature starts at 2°C and falls by 8°C
- Sum of four numbers
The sum of four consecutive natural numbers is 114. Find them.
- Surface area
Calculate the surface area of a four-sides 2-m high prism which base is a rectangle with sides 17 cm and 1.3 dm
- Cube edge
Determine the edges of the cube when the surface is equal to 37.5 cm square.
- Grandmother and grandfather
Grandmother baked cakes. Grandfather ate half, then quarter of the rest ate Peter and Paul ate half of rest. For parents left 6 cakes. How many cakes maked the grandmother?
- Cube basics
How long is the edge length of a cube with volume 15 m3?