Page 115 - steps 3b.pdf

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n c: rounded off to the nearest ten is . actual C
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0· .. approximate answer answer
CT
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:> 2q .. 30 64 - 2q 60- 30 == 30 35
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3: .. Q
9- 64 133 - 78
n
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ii _.
III ..
() 86 152 - 64
g,
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c: 152 1 0 1 - 86
0- :J
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~
III
~ 78 ... 86 - 2q ........
en
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m I\)
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en .. ........
(.oJ 133 175 - 101
rr
r----
175 .. 1 78 - 64
?: III c:
a ;!!!. ..
~. ~ ~ 1 1 101 1 175 - 78
III ......
iii (/) 0
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() ::J 1 1 1q7 ... 1 1 q7 - 101
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c ::J
- cc
a 0
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=:
Q
gl 131 /" r.~ iiS~--= a 133 - 2q ---.100 b 101 - 64 ---.
CD
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(1)
...
III
(1) 64 ---.
.. '"" vfo c 86 - d 1 52 - 1 33 ---.
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0
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III h~ W
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"C 2q ---.
0 e 1 q7 - 1 52 ---. f 101 - C- ::D
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(1) Give an approximate Q) -
answer for each subtraction. 175 - 64 ---. h 133 - 64 ---. 0)
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