Croatian School-Level Competitions 2021

#CompetitionYearsProblemsYears
1Grade 92020–202649
2Grade 102020–202649
3Grade 112020–202649
4Grade 122020–202649

Documents

YearFilenameLanguageSource
2021skolsko_ssA_2021.pdfhrhttps://natjecanja.math.hr/domaca-natjecanja/domaca-natjecanja-arhiva/
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ProblemSourceTags
Grade 9 2021 Problem 1Grade 9 2021AlgebraEqSystems
Grade 9 2021 Problem 2Grade 9 2021AnglesGeometryTriangle
Grade 9 2021 Problem 3Grade 9 2021CombinatoricsCounting
Grade 9 2021 Problem 4Grade 9 2021CompositeConstructionNT
Grade 9 2021 Problem 5Grade 9 2021CountingDigitsDivisibilityNT
Grade 9 2021 Problem 6Grade 9 2021AreaCoordGeometryTriangle
Grade 9 2021 Problem 7Grade 9 2021CompositeNTPrimes
Grade 10 2021 Problem 1Grade 10 2021AlgebraEqNTPrimesQuadratics
Grade 10 2021 Problem 2Grade 10 2021DigitsDivisibilityNT
Grade 10 2021 Problem 3Grade 10 2021AreaGeometryOptimizationSquareTriangle
Grade 10 2021 Problem 4Grade 10 2021CombinatoricsOptimizationTables
Grade 10 2021 Problem 5Grade 10 2021AlgebraQuadraticsSystems
Grade 10 2021 Problem 6Grade 10 2021GeometryIncircleLengthsTriangle
Grade 10 2021 Problem 7Grade 10 2021AlgebraRational
Grade 11 2021 Problem 1Grade 11 2021AlgebraTrigonometry
Grade 11 2021 Problem 2Grade 11 2021AlgebraEqExp
Grade 11 2021 Problem 3Grade 11 2021Lengths3D
Grade 11 2021 Problem 4Grade 11 2021CombinatoricsOptimizationTiling
Grade 11 2021 Problem 5Grade 11 2021CountingDigitsDivisibilityNT
Grade 11 2021 Problem 6Grade 11 2021CentroidEquilateralGeometryTriangle
Grade 11 2021 Problem 7Grade 11 2021AlgebraEqNT
Grade 12 2021 Problem 1Grade 12 2021AbsAlgebraComplex
Grade 12 2021 Problem 2Grade 12 2021AlgebraSeqSums
Grade 12 2021 Problem 3Grade 12 2021CoordGeometry
Grade 12 2021 Problem 4Grade 12 2021DivisibilityNTRecurrences
Grade 12 2021 Problem 5Grade 12 2021ModNTPowers
Grade 12 2021 Problem 6Grade 12 2021AlgebraInequalitiesSeq
Grade 12 2021 Problem 7Grade 12 2021CombinatoricsOptimization3D