Examples for 6th grade (the sixth graders) - page 48
- Curved surface area CSA
A cylinder 5cm high has a base radius(7/2) cm. Calculate the curved surface area.
Hanka cut the 20 cm long straws into three pieces each piece had a length in cm. Then, with these three pieces, she tried to make a triangle. a) What circuit has each of the triangles? b) How long can the longest side measure? c) How many different trian
- Volume of cone
Find the volume of a right circular cone-shaped building with a height of 9 cm and a radius base of 7 cm.
- Sum of fractions
What is the sum of 2/3+3/5?
- If one
If one litre of pant covers an area of 5 m2 how much paint is needed to cover: a) rectangular swimming pool With dimensions 4m x 3m x 2.5m (the Inside walls and the floor only) b) the Inside walls and floor of a cylindrical reservoir with diameter 3m and
- Prime factors
Write 98 as product of prime factors
The lady cut off one half of cloth. She needed three-quarters of this piece to sew a skirt. What part of the original piece of cloth still remained?
How many different rectangles with sides integers (in mm) have a circumference exactly 1000 cm?
- Square into three rectangles
Divide the square with a side length of 12 cm into three rectangles with have the same circumference so that these circumferences are as small as possible.
Write the mixed number as an improper fraction. 166 2/3
If 2*3 = 60 ; 3*4 = 120 and 4*5 = 200, what is 2*5?
Danka and Janka collect clothes. Danka had 9 more than Janka, so she gave her 7. Which now has more cloth and how many?
The railroad runs parallel to the railway. The train travels at 36 km/h on track. In the opposite direction, the motorcycle rides at 90 km/h. The train passes in 3 seconds. How long is a train?
- Circle simple
Circumference of a circle is 6.28. What is the area of the circle?
- Simple equation 5
Solve equation with fractions: X × 3/8 = 1/2
- Perimeter of square
The square has a circumference 17cm. What is its area?
- Fraction and a decimal
Write as a fraction and a decimal. One and two plus three and five hundredths
- One hectare
How many square meters are one hectare?
- Number with ones
The first digit of the number is 1, if we move this digit to the end we get a 3 times higher number, which is the number?
- Natural gas in kWh
Gas consumption for 2017 was 11,301 kWh I paid 532 € How much 1 m3?