135 + 152
What is 287
236 + 217. Estimate by ROUNDing TO THE NEAREST TEN.
What is about 460.
2 planes leave an airport. Each plane has 239 seats. The first plane has 224 passengers. The second plane has 189 passengers. How many passengers are on both planes?
What is 413 passengers?
209 + 48 + 312=?
What is 569?
489-253=
What is 236?
650 + 138
What is 788
465 + 357. Estimate by ROUNDING TO THE NEAREST TEN.
What is about 830?
Mike's Cafe sells 237 sandwiches on Friday. It sells 448 sandwiches on Saturday. How many sandwiches are sold on both days?
What is 685 Sandwiches?
412+273+139=?
What is 824?
What is 528?
535 + 423
What is 953
Round 437 to the nearest ten.
What is 440?
654-456=?
What is 198?
146+86+53=? ESTIMATE by rounding to the nearest ten.
What is about 290?
863-526=? ESTIMATE by rounding to the nearest ten. Then, find the difference.
What is about 330?
Yvette takes 137 photographs on Friday. She takes 248 photographs on Saturday. How many photographs did she take in all?
What is 385
Round 389 to the nearest hundred.
What is 400?
543-345=?
What is 198?
125+224+306=? ESTIMATE your answer by rounding to the nearest ten.
What is about 660?
306-198=? Estimate by rounding to the nearest ten. Then, find the difference.
What is about 110?
Add 647+332=? using expanded form (stretch by place value).
What is: 600+40+7
300+30+2
The sum is 900+70+9, or 979.
Round 541 to the nearest ten
What is 540?
945 -467=
What is 478?
A flower shop has 124 tulips, 235 roses, and 85 carnations. How many flowers does the flower shop have? ESTIMATE your answer by rounding to the nearest ten. Then, find the sum.
What is about 450?
Damian's conservation club wants to plant 640 seedlings. They have 172 seedlings that they still need to plant to meet their goal. How many seedlings have they planted so far? ESTIMATE by rounding first, then find the answer.
What is 600-200=400? About 400 seedlings have been planted.