| Rounding | Estimating Sums | Standard form & Expanded form | Addition | Subtraction |
|---|---|---|---|---|
|
3000
Round to the nearest thousand:
3488 |
About 400
About how much is:
199 + 285 |
One hundred seventy nine
What is this number in words?
179 |
1264
714
+550 |
290
551-261=
|
|
9500
Round to the nearest hundred:
9472 |
About 600
About how much is:
285 + 312 |
100 + 70 + 9
What is this number in expanded form?
179 |
599
272
+327 |
692
5002 - 4310 =
|
|
7980
Round to the nearest ten:
7988 |
About 600
About how much is:
272 + 327 |
Two thousand three hundred sixty five
What is this number in words?
2365 |
946
794
+154 |
6789
9861 - 3072 =
|
|
8000
Round to the nearest thousand:
8199 |
About 7000
About how much is:
2111 + 4851 |
1000 + 200 + 30 + 4
What is this number in expanded form?
1234 |
1776
777
+999 |
4872
5971 - 1099 =
|
|
6700
Round to the nearest hundred:
6789 |
About 9000
About how much is:
7999 + 1211 |
9000 + 900 + 90 + 9
What is this number in expanded form?
9999 |
9033
O
1234
+7799 |
1675
3663 - 1988 =
|
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