Estimating and Subtracting
The first round of the Simon Elementary School spelling bee lasted for 165
words. The second round lasted for 75 words. What is the best estimate for the
difference in the number of words in the first and the second round?
A 300
B 200
C 100
D 400
100
James and his friends discovered that they had 2,728 marbles altogether. What is
2,728 rounded to the nearest thousand?
A 3,000
B 2,720
C 2,000
D 1,000
A 3,000
Last fall, the Smith family raked 42 bags of leaves and the Martin family raked 37
bags of leaves. What is the best estimate of the total number of bags the families
used?
A 50
B 60
C 80
D 70
C 80
Which statement is true?
A 4,339 < 4,393
B 4,903 < 4,803
C 5,148 > 5,418
D 7,546 > 7,564
A 4,339 < 4,393
261
What place value is the 1?
ones
The Dry Diapers Company sold 1,309 cases of diapers to grocery stores and 4,372
cases to discount stores. What is the best estimate for the difference between the
number of cases sold at the grocery store and the discount store?
A 3,000
B 4,000
C 2,000
D 1,000
3000
What is 7,547 rounded to the nearest ten?
A 7,540
B 7,600
C 7,500
D 7,550
D 7,550
782
+956
_____________
A 934
B 1,638
C 1,738
D 1,731
C 1,738
Which statement is true?
A 561 > 605
B 432 < 325
C 801 > 798
D 875 < 857
C 801 > 798
543,261
What place value is the 3?
thousands
Lane went to a school of 4,387 students. James went to a school of 2,832
students. How many more students were there in Lane's school?
A 1,505
B 1,005
C 1,500
D 1,555
1500
When rounded to the nearest hundred, which of the following would round to 2,400?
A 2,289
B 2,374
C 2,326
D 2,238
B 2,374
The Pet Parade pet store had 338 saltwater fish and 573 freshwater fish. What is the
best estimate for the total number of fish?
A 1,100
B 1,000
C 900
D 800
C 900
Choose all of the true statements.
4,717 < 2,479
6,256 > 5,692
2,365 < 3,843
9,538 > 8,181
6,256 > 5,692
2,365 < 3,843
9,538 > 8,181
What is the expanded form of the number 5,083?
Answer Choices
A) 5,000 + 80 + 3
7,594 - 3,685 = ?
4000
When rounded to the nearest hundred, which of the following would round to 8,300?
A 8,286
B 8,354
C 8,379
D 8,231
A 8,286
7,411 + 2,306 =
A 9,707
B 9,706
C 9,016
D 9,717
D 9,717
Which statement is false?
A 100 > 50
B 0 < 50
C 500 > 100
D 500 < 300
D 500 < 300
I am a mystery number. I have 15 tens, 4 hundreds, and 7 ones. What number am I?
Answer Choices
D) 557
Jamie bought two video games for $184. One game costs $45. What
was the price of the second video game?
150
What is 5,781 rounded to the nearest hundred?
5,800
Over the years, James has collected 325 bottle caps and Andrew has collected
578. How many caps have they collected altogether?
A 862
B 903
C 1,102
D 1,025
B 903
Which statement is false?
A 1,457 > 509
B 4,230 < 5,213
C 5,500 > 2,100
D 4,500 < 4,450
D 4,500 < 4,450
Which statement correctly compares the numbers 8,304 and 8,340?
Answer Choices
C) 8,304 < 8,340 because 0 tens is less than 4 tens.