Page 9 - steps 4b 02.pdf

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11> <D (f ~ I'?;'f!
<'> " . then find the actual totals
g, ITl ~ Complete this table:..
,;- [g] on a calculator. Are the
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" calculator totals sensible?
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m rounded to the nearest 1000 is calculator total
" .. approximate total
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10ql .. 1000 1 Oql + 740 1000 -t 1000 ==2000
2135 5002 + 1860
q41 4723 + 3406
4723 2135 + 740
6qOO 3406 + q41
3406 7353 + q41
s:: ~!!
e .... ;,
CD C_,
~ . c:J 5002 2135 + 4723
~ -;' CC
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" 0 Iii' "C
~ ... ., 740 4723 + 10ql
- , "C
o = c
£. C!!,
e 3 3
o IT DI 1860 6QOO + 2135
~ n ...
., CD
..
~ ~ 7353 1860 + 7353
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3 Use your answers in ) a 1 Oq 1 + 1 Oq 1 - 2000 b 1 860 + 3406 ---.
IT
:;' the table above to give
:;' c 1 860 + 1 860---.
cc an approximate total d 4723 + 4723---.
"C for each of these sums.
DI
~' e 5002 + 740 ---. f 4723 + 5002 ---.
..
o
....
::r 9 2135 + Q41 ---. h 6QOO + 1 OQ 1 ---.
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CD ,