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  • GETSenPhaseMaths display tagshide tags

    This module is included inLens: Siyavula: Mathematics (Gr. 7-9)
    By: Siyavula

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Number Patterns

Module by: Siyavula Uploaders. E-mail the author

MATHEMATICS

Number Patterns

EDUCATOR SECTION

Memorandum

3

a 135; 405; 1 215; 3 645

b. 120; 720; 5 040; 40 320

c. 72; 56; 42; 30

d. 4 374; 1 458; 486; 162

e.

f.

g. 20; 10; 5; 2.5

Leaner Section

Content

ACTIVITY: Number Patterns [LO 2.1]

2. Did you know?

Number patterns are also called SERIES. If you look around carefully, you will see patterns everywhere: on your clothes, in your house, on pieces of jewellery. You can also see patterns in nature, e.g. a spider's web, seashells or inside flowers. Even music has number patterns! (The pattern is in the length of the notes.)

a. Page through a magazine to look for examples and paste pictures of the things that have been discussed in this space.

b. Design your own pattern for kitchen floor tiles. For example:

Figure 1
Figure 1 (graphics1.png)

3. Work with a friend and see if you can complete the following number patterns:

a) 5 ; 15 ; 45 ; ___________ ; ___________ ; ___________ ; _________

b) 1 ; 2 ; 6 ; 24 ; _________ ; _________ ; _________ ; _________

c) _________ ; _________ ; _________ ; _________ ; 20 ; 12 ; 6 ; 2

d) _________ ; _________ ; _________ ; _________ ; 54 ; 18 ; 6 ; 2

e) 1313 size 12{ { { size 8{1} } over { size 8{3} } } } {} ; 3535 size 12{ { { size 8{3} } over { size 8{5} } } } {} ; 5757 size 12{ { { size 8{5} } over { size 8{7} } } } {} ; _________ ; _________ ; _________ ; _________

(f) _________ ; _________ ; _________ ; _________ ; 3434 size 12{ { { size 8{3} } over { size 8{4} } } } {} ; 2323 size 12{ { { size 8{2} } over { size 8{3} } } } {} ; 1212 size 12{ { { size 8{1} } over { size 8{2} } } } {}

(g) 160 ; 80 ; 40 ; _________ ; _________ ; _________ ; _________

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.

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