Planimetrics - practice for 9 year olds
Number of problems found: 24
- An orange
An orange Grove has 858 trees. There are 33 rows, each with the same number of trees. How many trees are in each row - The coordinates 3
The coordinates of two vertices of an equilateral triangle are (1,1) and (5,1). What are the coordinates of the third vertex? - Line segment
Find the length of the line joining points A(-4,8) and B(-1,4). - Measures 82530
How many meters of mesh are needed to fence a square plot whose side measures 20m?
- Different 80374
Draw the base of circles with different radii. Measure the diameter of each circle and compare it to its radius. What is true about them? - Mimie
Mimie wants to put lace around her square frame. Each side of the square measures 3 feet. What is the total length of the lace that she will use? - Rectangular field
What is the area of a rectangular field 100m by 8m? - Calculate
Calculate the square area if its perimeter is 14dm. - Photo frame
A square-shaped photo with a side length of 20 cm is framed by a 4 cm wide bar. Find the external frame size of this photo (the frame is from all sides).
- L gardens
Find how long the area with gardens is if the square plots have a circumference of 8 m and the rectangular plot has a circumference of 14 m. The gardens are adjacent so that the shorter side of the rectangular plot is adjacent to the first square garden a - A rectangular
A rectangular garden 40 m long and 30 m wide is to be fenced with fence posts at each corner. All the other posts will be 5 meters apart. How many posts will be needed to fence the garden? - Circumference 5146
What is the length of the side of the square since its circumference is o = 124mm - Shade
Shade the area on the grid that shows 5/8 x 2/4 - Circumference 3045
Calculate the circumference of the square if the length of its side a = 78cm
- Rectangular 3941
Petra invited her friends Olga and Pavel to sew. Olga sewed three tablecloths, Pavel 2 and Petra 5 rectangular napkins measuring 39 times 30 cm. Was it enough for them to decorate 15 meters of ribbon? - Circumference 5331
The largest linden in Bohemia is the Vejdová lime tree in the Orlické Mountains, with a circumference of 14 meters and 140 centimeters. What trunk circumference does this linden tree have in decimetres? - Triangles 80492
The sum of the lengths of the three segments is 140mm. Name at least 2 triplets of segment lengths from which we can construct a triangle. Construct triangles - Measuring 2942
Mr. Svoboda has 25m of carpet tape at home. He wants to hem the carpet measuring two times 2m and three times 4m. Does he have enough tape? - Football field
The soccer field may have a width of 45 meters. It is 45 meters less than the length of the course. What can be the length of the football field?
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