Teacher's Guide - Pearson

2c h a p t e rPatterns and sequencesSyllabus: General objectiveThis chapter deals with number patterns and sequences. Students must be able toidentify number patterns, and make connections between patterns in nature andarithmetic sequences.Specific objectives• y Describe in words the pattern of a linear sequence.• y Express the pattern of a linear sequence in algebraic form.• y Generate a sequence of numbers.• y Use the patterns of sequences to represent given situations and use them to solvereal-life problems.Teach students the skill of looking for number patterns or patterns that aremathematically significant. Remind students to be aware of the world around themand that mathematical patterns appear frequently.AnswersActivity 2.1 (Student’s Book page 21)1. T 55 11 Sequence starts with 3. Add 2 to the previous term.2. T 55 8 Sequence starts with 24. Add 3 to the previous term.3. T 55 29 Sequence starts with 7. Subtract 4 from the previous term.4. T 55 25 Sequence starts with 1. Square the number of the term.5. T 55 225 Sequence starts with 25. Subtract 5 from the previous term.6. T 55 3 125 Sequence starts with 5. Multiply the previous term by 5.7. T 55 232 Sequence starts with 22. Multiply the previous term by 22.8. T 55 275 Sequence starts with 23. Multiply 23 by the square of the numberof the term.Chapter 2: Patterns and sequences7