Estimation
Round 487 to the nearest hundred.
Answer: What is 500?
245 + 132?
What is 377?
564 − 221?
What is 343?
In 436 + 289, do you regroup in the ones place?
What is yes, the answer is 15?
The school library had 350 books. It bought 125 new books. How many books does the library have now?
Answer: What is 475 books?
Estimate 624 + 278.
What is 900?
586 + 247?
What is 833?
803 − 167?
What is 636?
Solve: 548 + 387.
What is 935?
A store had 900 pencils. It sold 245 pencils. Later, it received 120 more pencils. How many pencils does the store have now?
What is 775 pencils?
Estimate 853 − 391.
What is 500?
1,245 + 3,278?
What is 4,523?
1,500 − 785?
What is 715?
Solve: 802 − 365.
What is 437?
The fourth grade collected 1,275 cans. The fifth grade collected 986 cans. They donated 850 cans to a food bank. How many cans do they have left?
What is 1,411 cans?
Round 4,761 to the nearest thousand.
What is 5,000?
5,678 + 2,456?
What is 8,134?
4,321 − 1,897?
What is 2,424?
Solve: 3,004 − 1,587.
What is 1,417?
A theater sold 1,845 tickets on Friday and 2,376 tickets on Saturday. A total of 1,590 people attended the two shows. How many tickets had not yet been used?
What is 2,631 tickets?
Estimate 2,987 + 4,112.
What is 7,000?
7,894 + 2,965?
What is 10,859?
9,000 − 4,736?
What is 4,264?
Solve: 6,310 − 2,895.
What is 3,415?
The student council raised $2,485 selling candy. They raised another $1,764 during a fundraiser. They spent $1,250 on school supplies and $875 on decorations. How much money do they have left?
What is $2,124?