Add It Up!
What is 34,275 + 12,418?
46,693
What is 58,432 − 21,317?
37,115
Round 47,638 to the nearest thousand.48,000
48,000
Find the missing number:
6,825 + ___ = 10,000
3,175
Answer: 3,175Find the missing number:
6,825 + ___ = 10,000
Answer: 3,175
What is 206,415 + 73,208?
279,623
What is 304,205 − 87,649?
216,556
Round 263,451 to the nearest ten thousand.
Answer: 260,000
Find the missing number:
15,000 − ___ = 8,425
6.575
Find the missing number:
15,000 − ___ = 8,425
6,575
What is 458,726 + 39,584?
498,310
What is 700,000 − 284,736?
415,264
Find 58,421 + 32,678, then round the answer to the nearest thousand.
Answer: 91,099 → 91,000
What is 700,000 − 284,736?
415,264
A number plus 27,845 equals 63,210. What is the missing number?
35,365
A school collected 127,845 cans for a food drive in the fall and 86,729 cans in the spring. How many cans did they collect altogether?214,574 cans
214,574 cans
A museum had 425,680 visitors last year. This year, it had 78,945 fewer visitors. How many visitors did it have this year?
346,735 visitors
Without finding the exact answer, estimate 487,216 − 193,804 by rounding each number to the nearest thousand.
487,000 − 194,000 = 293,000
A museum had 425,680 visitors last year. This year, it had 78,945 fewer visitors. How many visitors did it have this year?
346,735 visitors
The difference between two numbers is 18,750. The larger number is 52,400. What is the smaller number?
33,650
A city library had 286,475 books. It received 48,926 new books and then donated 17,538 books to smaller libraries. How many books does the library have now?
317,863 books
A company had 625,000 pounds of materials. It used 248,675 pounds in one project and 137,428 pounds in another. How many pounds of materials remained?238,897 pounds
238,897 pounds
A student estimates 278,492 + 316,705 as 600,000. Is the estimate reasonable? Explain.
Yes. The exact sum is 595,197, which rounds to 595,000 to the nearest thousand, so 600,000 is a reasonable estimate.
A company had 625,000 pounds of materials. It used 248,675 pounds in one project and 137,428 pounds in another. How many pounds of materials remained?
238,897 pounds
I am thinking of a number. When I add 24,675 to it, I get 81,300. Then I subtract 15,425 from that result. What number did I start with?
56,625