Bulgaria NVO Grade 7 Mathematics case studies
Bulgaria NVO Grade 7 Mathematics · Put your knowledge to work in context.
The National External Assessment (NVO) in Mathematics for Grade 7 is a standardized Bulgarian school-leaving-style examination taken at the end of lower secondary education. It is intended for Grade 7 students completing the primary/lower-secondary cycle, and results are commonly used in the admission process for secondary schools and language or mathematics-oriented gymnasiums, so the score can matter beyond the certificate itself. The Bulgaria NVO Grade 7 Mathematics case studies are 5 cases and about 2,470 words.
1Tiling a Rectangular Terrace with Mixed-Size Tiles
A rectangular terrace measures 4.8 m by 3.6 m. The owner wants to cover it completely with square tiles.
630 words, about 3 min2Two Cyclists and a Linear Graph
Two cyclists, Ana and Boris, ride along the same straight road in the same direction. Ana starts from kilometre marker 0 and rides at a constant 18 km/h.
433 words, about 2 min3Class Project Marks and a Missing Score
A Grade 7 class of 25 students completed a project scored out of 10. The teacher recorded the marks in a frequency table: score 4 - 2 students; score 5 - 3; score 6 - 5; score 7 - 6; score 8 - 5; score 9 - 3; score 10 - 1.
473 words, about 2 min4A Triangular Garden Plot with a Fence and a Path
A triangular garden plot ABC has sides AB = 13 m, BC = 14 m and AC = 15 m. The owner wants to fence the whole perimeter and then lay a straight gravel path from vertex A to the midpoint M of side BC.
522 words, about 3 min5Choosing a Phone Plan with Inequalities
Two mobile operators offer monthly plans. Operator A charges a fixed 12 leva per month plus 0.08 leva per minute of calls.
412 words, about 2 min