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2.6 Fractions - 02

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Mathematics

Common fractions

Educator section

Memorandum

4.

a) proper fractions

b) improper fractions

c) mixed numbers

5.

a) 3 1 2 size 12{ { { size 8{1} } over { size 8{2} } } } {} 5 1 2 size 12{ { { size 8{1} } over { size 8{2} } } } {}
b) 2 8 size 12{ { { size 8{2} } over { size 8{8} } } } {} / 1 4 size 12{ { { size 8{1} } over { size 8{4} } } } {} 6 8 size 12{ { { size 8{6} } over { size 8{8} } } } {} / 3 4 size 12{ { { size 8{3} } over { size 8{4} } } } {}
c) 7 16 size 12{ { { size 8{7} } over { size 8{"16"} } } } {} 9 16 size 12{ { { size 8{9} } over { size 8{"16"} } } } {}
d) 3 12 size 12{ { { size 8{3} } over { size 8{"12"} } } } {} / 3 4 size 12{ { { size 8{3} } over { size 8{4} } } } {} 9 12 size 12{ { { size 8{9} } over { size 8{"12"} } } } {} / 3 4 size 12{ { { size 8{3} } over { size 8{4} } } } {}

Leaner section

Content

Activity: fractions [lo 2.1.5]

4. Let us first revise.

Do you still remember?

A fraction is a part of a whole: 3 5 numerator denominator size 12{ { {3} over {5} } ~ { {"numerator"} over {"denominator"} } } {}

  • Join column A with the correct answer in column B:
A B
a) the numerator is smaller than the denominator e.g. 4 7 size 12{ { { size 8{4} } over { size 8{7} } } } {} mixed numbers
b) the numerator is bigger than the denominator e.g. 9 2 size 12{ { { size 8{9} } over { size 8{2} } } } {} proper fractions
c) natural numbers plus a common fraction e.g. 1 3 4 size 12{1 { { size 8{3} } over { size 8{4} } } } {} improper fractions

5. Look at the following figures and then complete the table:

a)

b)

c)

d)

Fraction coloured in Fraction not coloured in
a) __________________ __________________
b) __________________ __________________
c) __________________ __________________
d) __________________ __________________

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:

2.1.5: represented in tables.
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Source:  OpenStax, Mathematics grade 7. OpenStax CNX. Sep 16, 2009 Download for free at http://cnx.org/content/col11075/1.1
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