Rounding
What is 487 rounded to the nearest 10?
490
431 + 399 =
800
165 + 812 =
977
589 - 332 =
257
Mr. Rodriguez drove 136 miles to Main City. Then he drove another 146 miles to Rock Town. How many miles did Mr. Rodriguez drive altogether?
282 miles
What is 209 rounded to the nearest 10?
210
Estimate the difference (to the nearest 100).
679 - 523 =
200
215 + 125 =
340
933 - 713 =
220
The Fruity Yogurt Company sold 86 banana yogurt bars and 47 strawberry yogurt bars. How many more banana yogurt bars were sold than strawberry yogurt bars?
39 more bars
What is 581 rounded to the nearest 100?
600
The parking lot at the grocery store had 684 parking spaces. Another 129 parking spaces were added. What is the best estimate of the total number of parking spaces in the parking lot now?
548 + 197 =
745
858 - 229 =
629
A Rent-a-Raft store rented 213 rafts in June and 455 rafts in July. How many rafts did the store rent in June and July combined?
668 rafts
What is 356 rounded to the nearest 100?
400
Marcus took 242 pictures with his new camera and 155 pictures with his camera phone. ABOUT how many pictures did Marcus take in all?
Best answer: about 400 pictures
Other acceptable answers: 360, 440
870 + 147 =
1,017
383 - 197 =
186
On Monday, 117 students signed up to plant trees in the park. On Tuesday, 16 fewer students signed up than on Monday. How many students signed up to plant trees on Monday and Tuesday in all?
**2-Step Problem**
218 students
What is 968 rounded to the nearest 100?
1,000
Abby and Cruz are playing a game. Abby's score is 168 points less than Cruz's score. Cruz's score is 754. What is the best estimate of Abby's score?
a. 300 points
b. 400 points
c. 500 points
d. 600 points
d. 600 points
271 + 947 =
1,218
701 - 287 =
414
During the first week of school, 345 students bought their lunch. During the second week of school, 23 fewer students bought their lunch than the week before. How many students bought their lunch in those two weeks combined?
**2-Step Problem**
667 students