Estimating
2,457 + 1,919 = ?
2,500 + 2,000 = 4,500
Round this number to the nearest hundred?
5,431
Answer:
5,400
825 + 176
Answer:
1,001
What is the difference?
837 - 295
Answer: 542
Which number is bigger?
65,873 or 65,791
Answer:
65,873
What would be the estimated value of this number?
565,987?
570,000
What would this number be if I was rounding to the nearest thousand?
68,754
Answer:
69,000
What would my sum be?
1,525 + 875
Answer:
2,400
What is the difference?
1,056 - 987
Answer:
69
What would the number be if I rounded to the nearest hundred?
421,791
Answer:
421,800
What is a good estimation for this problem?
458,910 + 67,122
Answer:
460,000 + 70,000 = 530,000
What would my answer be if I rounded to the nearest hundred thousand?
976,899
Answer:
1,000,000
What would my sum be?
931,884 + 123,664
Answer:
1,055,548
What is the difference?
345,679 - 232,997
Answer:
112,682
What single digit appears most frequently between and including the numbers 1 and 1,000? Hint: look for a pattern!
Answer:
1
997,874 - 334,889
Answer:
1,000,000 - 330,000 = 670,000
What would my number be if I rounded to the nearest hundred?
776,891
Answer:
776,900
What would my sum be?
875,654 + 773,998
Answer:
1,649,652
What is the difference?
997,754 - 214,987
Answer:
782,767
Using only addition, add eight 8s to get the number 1,000.
Answer:
888 + 88 + 8 + 8 + 8
What would be the estimated value of this problem?
6,512 - 2,185
Answer:
7,000 - 2,000
What would my number be if I rounded to the nearest ten thousand?
567,598
Answer:
570,000
What would my sum be?
75,893 + 68,977
Answer:
144,870
What is the difference?
67,881 - 9,642
Answer:
58,239
I add six to eleven, and get five. Why is this correct?