Teacher and parent accounts: students, tests and results in one place
An account for teachers and parents: manage student groups, build and assign tests, print login cards and follow student progress.
Read moreFor grades 1–12
Mathematics practice at your own pace
Interactive mathematics tests with instant results. Learn, solve and improve one question at a time.
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SEASONAL TEST
Halloween Mathematics Challenge
Ten spookily fun mathematics and logic problems about pumpkins, sweets, ghosts and secret codes.
CATESTIA NEWS
What is new at Catestia?
Student accounts are here: track your progress!
Create an account, complete teacher-assigned tests, review your results and get study recommendations. Daily goals and test leaderboards help you stay motivated.
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New tests are added to Katestai.lt all the time
We regularly add new mathematics tests to Katestai.lt. If you notice a gap, please tell us through the test idea form.
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Latest tests
Many new tests begin with suggestions from learners, parents and teachers. Is a topic missing? Tell us.
Grade 5
Multi-step word problems
Solve grade 5 word problems: recover an initial quantity, compare purchases, choose an expression and read diagrams.
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Grade 5
Addition and subtraction properties
Calculate efficiently, regroup addends, subtract sums and differences, find missing numbers and identify a false equality.
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Grade 3
Addition and subtraction to 10,000
Practise addition and subtraction up to 10,000, including carrying, borrowing and calculations with zeros.
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Grade 12
Permutations, arrangements and combinations
Ordering, group selection, adjacent elements, forming numbers and selection constraints.
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Grade 12
Integral applications: areas and volumes
Areas under and between curves, volumes of revolution and quantities recovered from rates.
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Grade 12
Definite integral
The fundamental theorem of calculus, integral properties, sign, symmetry and Riemann sums.
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Grade 12
Advanced function analysis and optimization
Extrema, inflection, derivative signs and optimization of geometric and exponential models.
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Grade 12
Derivatives of more complex functions
Quotient and chain rules, logarithms, exponentials, radicals, trigonometric and second derivatives.
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Grade 12
Frustums and advanced cross-sections
Frustum volumes and surfaces, parallel pyramid sections and off-centre sphere and cylinder sections.
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Grade 12
Skew lines and spatial reasoning
Skew lines, common perpendiculars, angles and the three-perpendiculars theorem.
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Grade 12
Normal distribution
Standardization, interval and tail probabilities, thresholds and distribution parameters.
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Grade 12
Random variables and distributions
Probability tables, expected value, variance and standard deviation.
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Short, clear and pressure-free
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Numbers change, so a test is worth repeating.
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2
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