AMO Grade 4 · 4. Patterns and sequences
Find the rule of a sequence, any far term, the total of evenly spaced numbers, the count in growing pictures and the place in a repeating pattern.
Find the n-th term and the number of terms of an evenly spaced sequence.
Use the difference row when the jumps are not equal.
Add evenly spaced numbers by pairing; use triangular and square numbers.
Count growing figures by rows, layers or halves.
Use division with remainder for repeating patterns.