Rounding
Round to the nearest ten thousand.
4,308,652
4,310,000
Estimate a solution by rounding to the nearest thousands.
40,002 – 2,930 =
37,000
40,002 – 2,930 =
37,072
On a sunny weekend, a group of students visited the local zoo. They saw that there were 348 monkeys swinging from the trees in the monkey area. In the nearby bird enclosure, there were 276 colorful birds chirping and flying around. How many monkeys and birds did the students see in total during their visit to the zoo?
624
Round to the nearest hundred thousands.
865,348
900,000
Estimate a solution by rounding to the thousands place.
6,199 + 4,832 =
11,000
134,622 + 12,809 =
147,431
Round each number to the nearest 1,000 and estimate the difference.
126,254 – 37,532 =
126,000 - 38,000 =
88,000
Round to the nearest tens place.
490,873
490,870
37,890 - 690 =
37,200
6,199 + 4,832 =
11,031
Sarah loves to read mystery novels. She started reading a new book that had 120 pages in total. On Saturday morning, she read 45 pages, and then later that evening, she read another 38 pages before going to bed. How many pages does Sarah still need to read to finish her book?
37
Round to the nearest hundred thousands place.
373,749
400,000
Estimate a solution by rounding to the nearest hundred thousands place.
490,023 + 184,086,900 =
184,600,000
10,006 – 4,662 =
5,344
Mrs. Thomas went grocery shopping twice this week. On Monday, she spent $78 buying fruits, vegetables, and snacks. On Friday, she went back to the store and spent another $96 on items she had forgotten earlier in the week. How much money did Mrs. Thomas spend in total on groceries this week?
174