Arithmetic Progressions
Class 10 Maths: arithmetic progressions
Pick a first term and a common difference and watch the pattern grow. Check the nth-term and sum formulas.
Words to know
- Arithmetic progression
- A list where you add the same number each time, like 3, 5, 7, 9.
- First term (a)
- The starting number.
- Common difference (d)
- The amount added each time; it can be negative.
- nth term
- aₙ = a + (n − 1)d.
Quick check
Answer 3 questions to check what you learned.
Try at home
Stack coins: 1 in the first pile, 3 in the second, 5 in the third. How many in the 10th pile? How many coins in all 10 piles?