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chapter2.1b
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à 2.1ïIntroduction to Positive Fractions & Zero.
äïPlease locate the following Proper Fractions on the num-
ber line. (Non Negative Fractions include Zero and Positive Fractions)
âêêLocateï3/4ïon the number line.
#êêè ───┼───┼───┼───┼───┼───┼───┼───┼──¥
êêê0èAèBèCè1èD
êë The Proper Fraction,ï3/4 , is located at "C".
éSè The positive Fractions and Zero are listed as follows:
#êê ╚è ╔è ╩è ╦è ╠è ═è ╬è ╧
êê 1è 1è 1è 1è 1è 1è 1è 1 . . .
#êê ╚è ╔è ╩è ╦è ╠è ═è ╬è ╧
êê 2è 2è 2è 2è 2è 2è 2è 2 . . .
#êê ╚è ╔è ╩è ╦è ╠è ═è ╬è ╧
êê 3è 3è 3è 3è 3è 3è 3è 3 . . .
êêê ∙
êêê ∙
êêê ∙
Notice that the first row of fractions is exactly the same numbers as
the Whole Numbers.ïRow two is all of the fractions with "2" in the
denominator (bottom).ïRow three is all of the fractions with "3" in the
denominator and so on.ïThe numbers in the first column are actually
just different representations of the number Zero.ïThe three dots mean
that the pattern continues on forever.
Find the diagonal of fractions consisting of the numbers 1/1, 2/2, 3/3,
4/4, ...ïThese fractions are just different representations of "1".ïNo
tice that every fraction beneath this diagonal is a Proper Fraction (the
top is smaller than the bottom), and all of the fractions above this
diagonal are improper fractions (the top is larger than the bottom).
All of the Proper Fractions can be located on the number line between "0
" and "1".ïTo locate the Proper Fraction,ï3/4 , on the number line, it
is necessary to divide the segment from "0" to "1" into four equal parts.
The fraction, 3/4, is then located at the third division mark.
#êêë───┼─────┼─────┼─────┼─────┼────¥
#êêê 0êêè╦ë1
êêêêêë4
1êêêë 1
#êêLocate the fraction,ï─ , on the number line.
êêêêê 2
#êêë───┼─────┼─────┼─────┼─────┼────¥
êêê 0ëAëBëCë1
ü
êêêêêè1
#êêïThe Proper Fraction,ï─ , is located at "B".
êêêêêè2
Ç B
2êêêë 1
#êêLocate the fraction,ï─ , on the number line.
êêêêê 4
#êêë───┼─────┼─────┼─────┼─────┼────¥
êêê 0ëAëBëCë1
ü
êêêêêï1
#êê The Proper Fraction,ï─ , is located at "A".
êêêêêï4
Ç A
3êêêë 2
#êêLocate the fraction,ï─ , on the number line.
êêêêê 3
#êêë───┼───────┼───────┼───────┼───────┼───¥
êêê 0êAêBê1êC
ü
êêêêê2
#êë The Proper Fraction,ï─ , is located at "B".
êêêêê3
Ç B
4êêêë 3
#êêLocate the fraction,ï─ , on the number line.
êêêêê 5
#êêë───┼────┼────┼────┼────┼────┼───¥
êêê 0è Aè Bè Cè Dè 1
ü
êêêêê 3
#êêThe Proper Fraction,ï─ , is located at "C".
êêêêê 5
Ç C
5êêêë 4
#êêLocate the fraction,ï─ , on the number line.
êêêêê 5
#êêë───┼────┼────┼────┼────┼────┼──¥
êêê 0è Aè Bè Cè Dè 1
ü
êêêêêï4
#êê The Proper Fraction,ï─ , is located at "D".
êêêêêï5
Ç D
6êêêë 3
#êêLocate the fraction,ï─ , on the number line.
êêêêê 8
#êêë───┼──┼──┼──┼──┼──┼──┼──┼──┼──¥
êêê 0ïAëBïCëDë1
ü
êêêêê 3
#êêThe Proper Fraction,ï─ , is located at "B".
êêêêê 8
Ç B
äïPlease locate the following Improper Fractions on the
êênumber line.
âêêêêê 5
#êëLocate the Improper Fraction,ï─ , on the number line.
êêêêêê 4
#êêè ───┼───┼───┼───┼───┼───┼───┼───┼──¥
êêê0èAêBè1èCêD
êë The Improper Fractionï5/4ïis located at "C".
éS To locate the Improper Fraction,ï5/4 , on the number line,
it is first necessary to write the Improper Fraction as a mixed number.
You can do this by dividing "4" into "5" and getting 1 with remainder 1.
This is written as "1 1/4".è 5êï1
#êêêêè─è=è1 ─
êêêêè4êï4
Then to locate "1 1/4" on the number line, you should first locate the
whole number "1" and then divide the interval from "1" to "2" into
#four equal parts.ï──┼───────────────┼───┼───┼───┼───┼─¥
#êêê0êê 1êê 2êêï═
Finally, you should locate the mixed number,ï1 1/4 or its equivalent 4,
at the first mark past the number "1".
#êêë──┼───────────────┼───┼───┼───┼───┼─¥
#êêê0êê 1è═êè 2
êêêêêë 4
7êêê5
#êêê Locateï─ïon the number line.
êêêêï3
#êêë──┼────┼────┼────┼────┼────┼────┼────┼──¥
êêê0è Aè Bè 1è Cè Dè 2
ü
êêêêê 5êêêè2
#êëThe Improper Fraction,ï─ , can be written asï1 ─ .
êêêêê 3êêêè3
êêè This mixed number is located at "D".
Ç D
8êêê7
#êêê Locateï─ïon the number line.
êêêêï3
#êë ──┼────┼────┼────┼────┼────┼────┼────┼────┼────┼──¥
êê 0è Aêï1è Bêï2è Cè Dè 3
ü
êêêêê 7êêêè1
#êëThe Improper Fraction,ï─ , can be written asï2 ─ .
êêêêê 3êêêè3
êêè This mixed number is located at "C".
Ç C
9êêë 9
#êêêLocateï─ïon the number line.
êêêê 5
#êêè ──┼──┼──┼──┼──┼──┼──┼──┼──┼──┼──┼──¥
êêë 0ëAëBï1ëCëDï2
ü
êêêêê 9êêêè4
#êëThe Improper Fraction,ï─ , can be written asï1 ─ .
êêêêê 5êêêè5
êêè This mixed number is located at "D".
Ç D
10êêë9
#êêêLocateï─ïon the number line.
êêêê 8
#êë ──┼──┼──┼──┼──┼──┼──┼──┼──┼──┼──┼──┼──┼──┼──┼──┼──┼─¥
êê 0ëAêêè1ïBê Cê Dï2
ü
êêêêê 9êêêè1
#êëThe Improper Fraction,ï─ , can be written asï1 ─ .
êêêêê 8êêêè8
êêè This mixed number is located at "B".
Ç B
äïPlease write the following mixed numbers as Improper
Fractions.
âSêêêï1êï16
#êêêè 1)ï3 ─è =è ──
êêêêè5êè5
êêêêè5êï61
#êêêè 2)ï7 ─è =è ──
êêêêè8êè8
éS To change the mixed number,ï7 5/8 , to Improper Fraction
form, it is first necessary to multiply "8" times "7".
êêêê8 ∙ 7è=è56
This product is added to the numerator (top number) of the fractional
part and placed over the "8".
êêêë56 + 5êï61
#êêêë──────è =è ──
êêêê 8êë8
Thus, the Improper Fraction form of the mixed number,ï7 5/8 , is 61/8.
êêê 5êï56 + 5êï61
#êêë 7 ─è =è ──────è =è ──
êêê 8êë8êë8
11êêë 2
#êêêWriteï4 ─ïas an Improper Fraction.
êêêêï3
êè14êêï12êêï14
#ë A)ï──êëB)ï──êëC)ï──êëD)ïå
êè 3êêè3êêè6
ü
êêê2êï12 + 2êï14
#êêë4 ─è =è ──────è =è ──
êêê3êë3êë3
Ç A
12êêè 3
#êêëWriteï7 ─ïas an Improper Fraction.
êêêê8
êè56êêï59êêï58
#ë A)ï──êëB)ï──êëC)ï──êëD)ïå
êè 8êêè8êêè8
ü
êêê3êï56 + 3êï59
#êêë7 ─è =è ──────è =è ──
êêê8êë8êë8
Ç B
13êêè 3
#êêè Writeï15 ─ïas an Improper Fraction.
êêêê8
êè118êê 96êêï123
#ë A)ï───êè B)ï──êëC)ï───êè D)ïå
êè 8êêè8êêè8
ü
êêê3êï120 + 3êï123
#êêè 15 ─è =è ───────è =è ───
êêê8êë8êë 8
Ç C
14êêè1
#êêè Writeï6 ─ïas an Improper Fraction.
êêêë 3
êè18êêï12êêï19
#ë A)ï──êëB)ï──êëC)ï──êëD)ïå
êè 3êêè3êêè3
ü
êêê1êï18 + 1êï19
#êêë6 ─è =è ──────è =è ──
êêê3êë3êë3
Ç C
15êêè 5
#êêëWriteï7 ─ïas an Improper Fraction.
êêêê9
êè68êêï65êêï63
#ë A)ï──êëB)ï──êëC)ï──êëD)ïå
êè 9êêè9êêè9
ü
êêê5êï63 + 5êï68
#êêë7 ─è =è ──────è =è ──
êêê9êë9êë9
Ç A
16êêè 23
#êêêWriteï──ïas a Mixed Number.
êêêê 5
êë3êêè3êêè1
#ë A)ï4 ─êè B)ï2 ─êè C)ï5 ─êè D)ïå
êë5êêè5êêè5
ü
êêêê 23êè 3
#êêêê ──è =è 4 ─
êêêêï5êè 5
Ç A
17êêë 86
#êêêïWriteï──ïas a Mixed Number.
êêêêï13
êë 8êêï12êêè3
#ë A)ï6 ──êèB)ï5 ──êèC)ï6 ──êèD)ïå
êë13êêï13êêï13
ü
êêêê 86êë8
#êêêê ──è =è 6 ──
êêêê 13êè 13
Ç A
18êêë36
#êêê Writeï──ïas a Mixed Number.
êêêêï9
êë1êêêêê4
#ë A)ï3 ─êè B)ï4êë C)ï4 ─êè D)ïå
êë9êêêêê9
ü
êêêê 36
#êêêê ──è =è 4
êêêêï9
Ç B
19êêë43
#êêê Writeï──ïas a Mixed Number.
êêêê 12
êë 1êêï23êêè7
#ë A)ï4 ──êèB)ï2 ──êèC)ï3 ──êèD)ïå
êë12êêï12êêï12
ü
êêêê 43êë7
#êêêê ──è =è 3 ──
êêêê 12êè 12
Ç C
20êêë115
#êêê Writeï───ïas a Mixed Number.
êêêêï14
êê1êêï7êêè3
#ë A)ï11 ──êïB)ï9 ──êèC)ï8 ──êèD)ïå
êë 14êê 14êêï14
ü
êêêê115êë3
#êêêê───è =è 8 ──
êêêê 14êè 14
Ç C