Show:
Rounding to the nearest ten
Rounding to the nearest hundred
Estimate the sum: Rounding to the 10s
Estimate the sum:
Rounding to the 100s
Estimate the sum:
Word Problems
100
What is 23 rounded to the nearest 10?
20
100
What is 131 rounded to the nearest hundred?
100
100
Round to the nearest ten to estimate the sum: 62 + 35 =
60 + 40 = 100
100
Round to the nearest hundred to estimate the sum: 111 + 555 =
100 + 600 = 700
100
Ms. Liang made some cookies. First, she made 36 chocolate chip cookies. Then she made 72 sugar cookies. About how many cookies did she make? Estimate the sum.
40 + 70 = 110 cookies
200
What is 55 rounded to the nearest 10?
60
200
What is 783 rounded to the nearest hundred?
800
200
Round to the nearest 10 to estimate the sum: 105 + 77 =
110 + 80 = 190
200
Round to the nearest hundred to estimate the sum: 495 + 68 =
500 + 100 = 600
200
Mrs. Llanes bought some flowers. She bought 89 sunflowers and 94 roses. About how many flowers did she buy altogether? Estimate the sum.
90 + 90 = 180 flowers 100 + 100 = 200 flowers
300
What is 178 rounded to the nearest 10?
180
300
What is 59 rounded to the nearest hundred?
100
300
Round to the nearest ten to estimate the sum: 282 + 144 =
280 + 140 = 420
300
Round to the nearest hundred to estimate the sum: 782 + 219 =
800 + 200 = 1,000
300
Ms. Phipps needed to buy some groceries. She spent $29 at one store, $61 at another, and $13 at the last store. About how much money did she spend in all? Estimate the sum.
30 + 60 + 10 = $100
400
What is 399 rounded to the nearest 10?
400
400
What is 669 rounded to the nearest hundred?
700
400
Round to the nearest ten to estimate the sum: 733 + 377 =
730 + 380 = 1,110
400
Round to the nearest hundred to estimate the sum: 948 + 564 =
900 + 600 = 1,500
400
Mrs. Douma went to visit her friends in California. She drove 173 miles to Portland, Oregon. Then she flew 581 miles from Portland to Sacramento, California. About how many miles did Mrs. Douma travel? Estimate the sum.
170 + 580 = 750 miles 200 + 600 = 800 miles
500
What is 1,572 rounded to the nearest 10?
1,570
500
What is 959 rounded to the nearest hundred?
1,000
500
Round to the nearest ten to estimate the sum: 1,255 + 99 =
1,260 + 100 = 1,360
500
Round to the nearest hundred to estimate the sum: 1,322 + 1,488 =
1,300 + 1,500 = 2,800
500
Ms. Tiffany started reading a large book. On Monday she read 109 pages. On Tuesday she read 366 pages. Today she read 353 pages. About how many pages has she read so far? Estimate the sum.
110 + 370 + 350 = 830 pages 100 + 400 + 400 = 900 pages