Place Value
A number has 47 thousands, 36 hundreds, and 25 ones. What is the number?
50,625
What place was 684,721 rounded to?
684,721 → 685,000
A. nearest hundred
B. nearest thousand
C. nearest ten thousand
D. nearest hundred thousand
B
Insert >, <, or =.
24,089 ___ 24,809
<
Find the sum and then estimate to check your answer.
4,738 + 3,596
8,334
A reasonable estimate: 5,000 + 4,000 = 9,000
Which equation gives the best estimate for:
43,782 − 21,316
A. 40,000 − 20,000 = 20,000
B. 44,000 − 21,000 = 23,000
C. 43,000 − 20,000 = 23,000
D. 50,000 − 20,000 = 30,000
B
In 766,214, how does the value of the 6 in the ten-thousands place compare with the 6 immediately to its right?
It is 10 times the value.
What place value was used to round?
437,892 → 440,000
Nearest ten thousand
106,520 ___ 99,999
>
Find the difference.
532,814 − 287,639
245,175
Without finding the exact answer, which is the best estimate for:
68,419 + 22,735
A. 70,000
B. 80,000
C. 90,000
D. 100,000
C
Which THREE represent 54,308?
A. 50,000 + 4,000 + 300 + 8
B. fifty-four thousand, three hundred eight
C. 54,038
D. 543 hundreds + 8 ones
E. 50,000 + 4,000 + 30 + 8
A, B, D
Round 47,362 to the:
Nearest ten: ______
Nearest hundred: ______
Nearest thousand: ______
Nearest ten thousand: ______
47,360; 47,400; 47,000; 50,000
63,417 ___ 63,407
>
Choose the THREE true equations.
A. 4,216 + 3,504 = 7,720
B. 12,408 + 6,375 = 18,783
C. 32,500 − 8,250 = 25,250
D. 27,614 + 5,386 = 33,000
E. 41,200 − 9,600 = 31,600
A, B, D
47,628 + 31,294
A. 40,000 + 30,000 = 70,000
B. 48,000 + 31,000 = 79,000
C. 50,000 + 30,000 = 80,000
D. 47,000 + 30,000 = 77,000
B — 48,000 + 31,000 = 79,000
Write 583,426 in two different ways.
583,426 = ___ thousands + ___ tens + 6 ones
583,426 = ___ hundreds + ___ ones
583 thousands + 42 tens + 6 ones; 5,834 hundreds + 26 ones
Maya and Eli round 7,048 to different place values but get the same rounded number. Which two places could they use?
Nearest hundred and nearest thousand → both give 7,000.
A museum had 28,615 visitors in June and 31,402 visitors in July.
Write a comparison using > or < and tell which month had more visitors.
28,615 < 31,402; July
Which equations are true? Choose the THREE correct answers.
A. 24,638 + 5,427 = 30,065
B. 42,516 − 8,309 = 34,207
C. 16,725 + 7,386 = 24,101
D. 51,204 − 9,675 = 41,529
E. 32,418 + 6,582 = 39,000
A, B, E
Which equation can best help you estimate the difference?
46,782 − 28,391
A. 40,000 − 20,000 = 20,000
B. 46,000 − 28,000 = 18,000
C. 47,000 − 28,000 = 19,000
D. 50,000 − 30,000 = 20,000
C — 47,000 − 28,000 = 19,000