Back to Number Patterns and Sequences — Problem 4 · Task Set 16

Exercises: Number Patterns and Sequences

Work through each section in order. Show your work where indicated. For arithmetic sequences, use the nth-term formula $a + (n-1)d$.

Grade 7·18 problems·~30 min·Uganda NCDC Primary 7 Mathematics·lesson·patterns-03
Work through problems with immediate feedback
A

Fluency Practice

1.

For the arithmetic sequence 2,5,8,11,2, 5, 8, 11, \ldots (first term a=2a = 2, common difference d=3d = 3), use a+(n1)da + (n-1)d to find the 5th term.