Round to the nearest ten.
Example: 237 → _240_
132 →
743 →
336 →
Round to the nearest hundred.
Example: 2,432 → _2,400
4,768 →
2,423 →
8,462 →
Round to the nearest ten.
Example: 2,453 → __2,450__
3,682 →
54,637 →
41,608 →
Round to the nearest hundred.
Example: 47,286 → __47,300__
25,473 →
53,729 →
67,821 →
Round to the underlined number.
Example: 472,563 → _473,000_
854,368 →
91,483 →
748,924 →
Round to the leading digit.
Example: 472,563 → _500,000_
8,328 →
683 →
748,924 →
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
17 + 23 → + =
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
42 + 37 → + =
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
38 − 14 → − =
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
9 + 63 → + =
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
68 − 21 → − =
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
12 + 82 → + =
Round to the nearest ten.
Example: 263 → _260_
164 →
Round to the nearest hundreds.
Example: 6,473 → _6,500_
7,564 →
Round to the underlined digit.
Example: 34,562 → _34,600_
34,269 →
Round to the leading digit.
Example: 49,502 → _50,000_
723,483 →
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
46 + 31 →
Estimate the sum or difference by rounding to the nearest hundred.
Example:
278 + 137 → __300__ + __100__ = __400__
486 + 341 →
Estimate the sum or difference by rounding to the nearest hundred.
Example:
278 + 137 → __300__ + __100__ = __400__
5,263 − 2,823 →
Estimate the sum or difference by rounding to the leading number.
Example:
278 + 37 → __300__ + __40__ = __260__
24,389 + 4,823 →