Grade 9 · Algebra
This quiz helps revise “Arithmetic and geometric sequences” in Algebra for grade 9. It has 25 questions in five categories: Arithmetic Steps, Geometric Growth, Sequence Sums, Find the Parameter, Sequences in Life. Questions get harder as the points go up, from 100 to 500.
The 100- and 200-point questions are open here. The rest show only their first words, and there are no answers: all of that is in the game itself.
The arithmetic sequence begins 5, 8, 11, 14. What is the next term?
An arithmetic sequence has first term 7 and common difference 4. What is its sixth term?
In the sequence 23…
In the gameIn an arithmetic sequence…
In the gameThe first term is…
In the gameThe geometric sequence begins 3, 6, 12, 24. What is the next term?
In the sequence 81, 27, 9, 3, each term is found by multiplying by the same number. What is the common ratio?
A geometric sequence has…
In the gameThe third term of…
In the gameThe second term of…
In the game
Find the sum of the first ten natural numbers: 1 + 2 + ... + 10.
The first eight odd numbers are 1, 3, 5, ..., 15. What is their sum?
An arithmetic sequence has…
In the gameFind the sum of…
In the gameA geometric sequence has…
In the gameAn arithmetic sequence has first term 12 and second term 17. What is the common difference?
A geometric sequence has first term 4 and second term 28. What is the common ratio?
In an arithmetic sequence…
In the gameIn a geometric sequence…
In the gameAn arithmetic sequence has…
In the game
A theater has 12 seats in the first row and 2 more in each next row. How many seats are in the fifth row?
A student saves 50 hryvnias in week one and 20 more each week. How much is saved in week six?
The first shelf has…
In the gameA ball rises 80…
In the gameA prize fund starts…
In the gameAll 25 questions and the answers are in the game. Invite your class or friends with a link — guests need no account.