Rounding to the nearest 10 or 100
29 rounded to the nearest 10
30
120 + 240
260
45 + 92
140
Marty had 13 yellow crayons and 20 red crayons. Fabio gave him 10 more crayons. How many crayons does he have now?
43
Naomi had 2 boxes of 5 granola bars. Her mom packed her 4 more. How many granola bars does she have now?
14
620 rounded to the nearest 100
600
549 - 226
323
Estimate the sum:
124 + 237
360
Betty made her classmates cookies. She made 16 chocolate chip and 16 peanut butter. The class ate 20 cookies. How many cookies were left?
12
Kaliope got 4 boxes of colored pencils for her birthday. Each box had 6 colored pencils in it. She gave her friend Yolanda 5 colored pencils. How many colored pencils does she have now?
19
214 rounded to the nearest 10
210
458 + 339
797
Estimate the sum:
389 + 273
660
Gilbert had 30 round buttons and 27 square buttons in his collection. He got 15 more for his birthday. How many buttons does he have now?
72
Stan bought 7 pairs of sneakers. His friend gave him 4 more sneakers. How many sneakers does he have now?
18
749 rounded to the nearest 100
700
621 - 437
184
Estimate the sum:
523 + 958
1480
Margaret had 149 dollars. She spent 37 dollars at the grocery store and 102 dollars at the trampoline park. How much money does she have left?
10 dollars
Lilly is putting out chairs for the talent show. She has 9 rows of 3 chairs to start but Mrs. Moore asked her to add 10 more chairs. How many chairs did she put out all together?
37
890 rounded to the nearest 100
900
728 + 293
1021
Estimate the sum:
935 + 525
1470
Harold raised 650 chickens for himself and his friends. He gave his friend Gertrude 234 chickens and his friend Carlos 180 chickens. How many chickens did Harold have for himself?
236 chickens
Diego went for 3 walks a day for 6 days. On the 7th day he went for 5 walks. How many walks did he go on in all?
23