# 1.10 Number patterns (terms)

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## 9. did you know?

The numbers in a number sequence are also known as TERMS .

## 10. problem

With a friend, work through the following example:

• Draw a flow chart with two operator blocks:
• Fill the answers in on the right.

## N- values

Your number sequence is 7 ; 12 ; 17 ; 22 ; 27

T n = (5 × n ) + 2

Term which

one = 5 n + 2

Thus: T 2 = (5 × 2) + 2 = 12

T 12 = (5 × 12) + 2 = 62

• If you are certain that you understand the above, compile your own number sequence.

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## Do you understand the preceding work?

 Complete the following by placing a tick in the appropriate block: uncertain reason­ably certain very certain I can see various patterns in numbers I am able to predict what the subsequent pattern will be I can explain the Fibonacci series and complete the next sequence I am able to draw the Fibonacci spiral I can explain the Pascal triangle to a friend I can determine triangular numbers by means of a formula I can determine the sum of numbers by using the Gauss method I am able to compile my own number sequences

## Assessment

Learning Outcome 2: The learner will be able to recognise, describe and represent patterns and relationships, as well as to solve problems using algebraic language and skills.

Assessment Standard 2.1: We know this when the learner investigates and extends numeric and geometric patterns looking for a relationship or rules, including patterns.

Assessment Standard 2.3: We know this when the learner represents and uses relationships between variables in order to determine input and/or output values in a variety of ways using;

2.3.1: verbal descriptions;

2.3.2: flow diagrams.

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