Examples for 6th grade (the sixth graders)
Number of problems found: 1340
- Tennis balls
Can of tennis balls contains 3 balls per can and cost $7 how much will it cost for 36 tennis balls?
- Equation with one variable
Solve the following equation with one unknown: 5(7s + 5) =130
- Divisible by nine
How many three-digit natural numbers in total are divisible without a remainder by the number 9?
- The orchard
4 temporary workers harvested the orchard in 9 days. How many temporary workers we need for six days?
- Isosceles trapezoid
Find the area of an isosceles trapezoid with bases of 8cm and 72mm. The height of the trapezoid is equal to three-quarters of the longer base.
- Evaluate expression
Calculate the value of the expression z/3 - 2 z/9 + 1/6, for z = 2
- Round 9
Round number 0.2375 TO 2 SIGNIFICANT FIGURES
- Round table
A tablecloth should be sewn on a round table with a diameter of 78 cm, which should extend around the table by 10 cm. How many cms of ribbons need to be bought for edging?
- Brick wall
What is the weight of a solid brick wall that is 30 cm wide, 4 m long and 2 m high? The density of the brick is 1500 kg per cubic meter.
- Outdoor temperature
The outdoor temperature was 8 degrees at midnight. The temperature declined 5 degrees during each of the next 3 hours. What was the temperature at 3am?
- Edge c
Find the edge c of cuboid if an edge a = 20 mm, b = 30 mm and surface area S = 8000 mm2.
Driver Franta and driver Karel are friends. They leave the start-stop both at the same time in the afternoon - at 13.30. When will they meet again if Franta goes around his route in 50 minutes and Karel in 40 minutes?
- The swallow
The swallow will fly 2.8 km per minute. How many km will the swallow fly in one hour?
- The dough
The dough contains water, flour, and sugar. Water and flour in a ratio of 2: 3, flour, and sugar in a ratio of 2: 1. Determine the ratio of all three components of the dough.
- Convalescent homes
In 270 convalescent homes, 94,270 vacationers spent part of the holiday a year. On average, how many vacationers per convalescent home?
- How many
How many numbers are less than 222 with a digit sum is 8?
What is the remainder of the division of natural numbers 293 and 7?
6 kg of potatoes is enough for four at home for 15 days. For how many days will this amount be enough if a grandma will visit?
- Evaluate expression
If x=2, y=-5 and z=3 what is the value of x-2y
- Long drive
Calculate how much it costs to drive 150,000 km with an average consumption of 7 liters per 100 km and a fuel price of 1.2 € / l.