SJ's answer to Catherine's Primary 5 Maths Decimals Singapore question.
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264 x 9
We estimate the first factor (264) to the nearest 100.
So after rounding up, because we look at the tens place, which is 6, we round it to 300.
So 300 x 9 is 2700
We estimate the first factor (264) to the nearest 100.
So after rounding up, because we look at the tens place, which is 6, we round it to 300.
So 300 x 9 is 2700
Date Posted:
3 years ago
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