1
AP Basics
Recognise constant difference patterns in sequences
Chapter route
Arithmetic Progressions
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2
AP Basics
Determine a and d from an AP
3
AP Terms
Use an = a + (n - 1)d to find a required term
4
AP Terms
Solve for n when a term value is known
5
AP Terms
Use term information to determine unknown AP parameters
6
AP Sum
Explain why Sn = n/2[2a + (n - 1)d] works
7
AP Sum
Calculate Sn using the AP sum formula
8
AP Sum
Apply Sn = n/2(a + l) when the last term is known
9
AP Applications
Use AP to solve repeated increase or decrease contexts
10
AP Applications
Use AP for rows, seats and staged arrangements
11
AP Applications
Solve daily-life sequence and total problems
12
AP Reasoning
Find terms between two given numbers to form an AP
13
AP Reasoning
Find common terms or equal term positions across progressions
14
Validation
Verify terms and sums using direct sequence reasoning
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