9 grade
Number sequences
Dynamic arithmetic and geometric sequences, nth terms, recursive rules and contextual patterns.
Tests by topic
Progressions and sequences
These tests help build a secure understanding of the topic and its solution methods. Choose a test for your grade and practise at your own pace.
Tests by topic
Tests for this topic
10 grade
Fibonacci sequence and golden ratio
This test explores the rule of the Fibonacci sequence and ratios of consecutive terms. Tasks require students to continue the sequence, find missing terms and explain how Fibonacci numbers relate to the golden ratio.
11 grade
Arithmetic and geometric progressions
This test develops recognition of arithmetic and geometric progressions and use of general-term formulas. Tasks include finding the common difference or ratio, determining missing terms and calculating sums of initial terms.
11 grade
Exponential equations and models
This test covers exponential equations and their use in growth and decay models. Students rewrite expressions with a common base, solve equations and interpret percentage, compound and periodic change.