Skip to content
Exit presentation

Arithmetic Progressions

Checkpoint: terms, counts and two facts

One question on each of the later ideas. Retry as often as you like.

Is 60 a term of 4, 9, 14, 19, …?

Which term of 30, 27, 24, … is 0?

How many terms are in 2, 6, 10, …, 62?

The 3rd term is 7 and the 6th term is 16. What is d?

A list has a = 5 and d = 2. What is the 30th term?

0 of 5 answered

Jump to lesson

This track

  1. 0 Start here
  2. 1 Every end pair totals the same
  3. 2 The other face of the sum
  4. 3 Working the sum backwards
  5. 4 Terms from the sums
  6. 5 Two sums name the progression
  7. 6 Stacks and rows
  8. 7 When the step slides back
  9. 8 Which question wants the sum
  10. 9 Is it a term of the list?
  11. 10 Two facts fix the list
  12. 11 Checkpoint: terms, counts and two facts
  13. 12 The big picture
  14. 13 Track quiz

Other tracks