Rounding to the Nearest 100 (Larger Numbers)
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to the Nearest 100 (Larger Numbers) www.seomraranga.com
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Rounding to the Nearest 100 (Larger Numbers). Rounding to the Nearest 100. Decide: Which two hundreds is the number between Which hundred is it nearest to. Rounding to the Nearest 100. Rules : If it ends in a number between 1 and 49 round to the hundred before - PowerPoint PPT Presentation
Transcript of Rounding to the Nearest 100 (Larger Numbers)
Rounding to the
Nearest 100
(Larger Numbers)
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Decide:Which two hundreds is the number betweenWhich hundred is it nearest to
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Rounding to the Nearest 100
Rules:If it ends in a number between 1 and 49 round to the hundred beforeIf it ends in a number between 51 and 99, round to the hundred afterIf it ends in 50 (which is half way between two hundreds) always round up to the higher hundred
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Rounding to the Nearest 100
Example 1Round off 2143It is between 2100 and 2200It ends in 43, so it rounds down to 2100(You only have to go back 43 to get to 2100, but you would have to go forward 57 to get to 2200)
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Rounding to the Nearest 100
Example 2Round off 7456It is between 7400 and 7500It ends in 56, so it rounds up to 7500(You only have to go forward 44 to get to 7500, but you would have to go back 56 to get to 7400)
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Rounding to the Nearest 100
Example 3Round off 8750It is between 8700 and 8800It ends in 50, so it rounds up to 8800(The rule is that when it ends in 50, it is half way between the two hundreds, so you always round up to the higher hundred)
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Rounding to the Nearest 100
Rounding to the Nearest 100
1255Rounds to
1300
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Rounding to the Nearest 100
3429Rounds to
3400
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Rounding to the Nearest 100
8448Rounds to
8400
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Rounding to the Nearest 100
5250Rounds to
5300
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Rounding to the Nearest 100
9177Rounds to 9200
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Now try to round off the following numbers to the nearest 100 using the rules:
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Rounding to the Nearest 100
Rounding to the Nearest 100
2129Rounds to ?
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Rounding to the Nearest 100
5474Rounds to ?
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Rounding to the Nearest 100
7131Rounds to ?
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Rounding to the Nearest 100
4552Rounds to ?
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Rounding to the Nearest 100
6591Rounds to ?
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Rounding to the Nearest 100
2002Rounds to ?
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Rounding to the Nearest 100
5598Rounds to ?
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Rounding to the Nearest 100
1589Rounds to ?
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Rounding to the Nearest 100
6350Rounds to ?
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(a)
2214(b)
5347(c)
4244(d)
2757(e)
6198(f)
7122(g)
8819(h)
1254(i)
7150(j)
3363(k)
2865(l)
4444(m)
3216(n)
7812(o)
5499(p)
4828(q)
1559(r)
7008(s)
5531(t)
3250www.seomraranga.com
Round off these numbers to the nearest 100 in your
copy:
