Rounding to Nearest 10
Rounding to Nearest 100
Estimate
Addition
Word problems
100

Round to the 54 nearest 10. 

50

100

Round 125 to the nearest 100.

100

100

Estimate 620+296

600+300 or 620+300

100

54+27

81

100

Ms.Seymour had 7 apples and Mrs.Maurice gave her 10 more. How many apples does Ms. Seymour have in all?  


17

200

Round 254 to the nearest 10.

250

200

Round 342 to the nearest 100 

300

200
Estimate 320+137

300+100 or 320+140

200

61+92

153

200

Ms. Seymour had 17 apples. Ava ate 3. How many are left?

14

300

Round 438 to the nearest 10.

440

300

Round 556 to the nearest 100. 

600

300

Estimate 769+578

800+600 or 770+580

300

145+136

281

300

Ms. Seymour had 60 lollipops. Ben ate 35. How many are left?

25

400

Round 478 to the nearest 10.

480

400

Round 898 to the nearest 100. 

900

400

Estimate 346+347

300+300 or 350+350

400

136+985

1,121

400

Ms. Seymour has 3 students in Mrs. Howe and Mrs. Ferguson's class. She also has 3 students in Mr.Martinez's class and 6 from Mrs. Wolff's class. How many third grade students does Ms. Seymour have in all?

12

500

Round 688 to the nearest 10. 

690

500

Round 932 to the nearest 100

900

500

Estimate  983+142

1000+100 or 980+140

500

785+652

1,437

500

Ms. Seymour has 456 pumpkins. She carved 290 pumpkins. How many pumpkins did she NOT carve yet?

166