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<p>
<strong>
Guided Practice
</strong>
</p>
<p>
1. 4392 + 1 what is the missing number ?
<br />
a) 4392 + .......... =7000
<br />
=7000 - 4392
<br />
= 2608
<br />
so 4392 + 2608 =7000
<br />
the complement is 2608
<br />
2. what is the missing complement
<br />
b) 4267 + ............. = 5000
<br />
= 5000 - 4267
<br />
= 733
<br />
so 4267 + 733 = 5000
<br />
the complement is 733
</p>
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