Math Rocks
Arrange the following numbers in order from least to greatest:
63,700 706,063 7,360 670,306
7,360 < 63,700 < 670,306 < 706,063
Which number has a digit 8 with a value ten times as much as the digit 8 in 483,216?
A. 318,742
B. 862,519
C. 724,806
D. 295,681
Compare using >, <, or =.
2 hundred thousand 20,000
>
Compare using >, <, or =.
(3 × 100,000) + (6 × 100) 306,000
<
Compare using >, <, or =.
(8 × 100) + (5 × 1,000) + (34 × 1)
(6 × 1,000) + (7 × 100)
<
3 x 4
12
12 x 2
24
1 x 12
12
27
3 x 7
21
Compare using >, <, or =.
1,000,000,000 10 hundred millions
=
The record attendance at a concert venue in Dallas, Texas, was 98,415 people. A large city's population was approximately 10 times that attendance. What was the approximate population of the city?
984,150
In the fall, Lone Star University enrolled 68,327 students. Write 68,327 in expanded notation.
(6 x 10,000) + (8 x 1,000) + (3 x 100) + (2 x 10) + (7 x 1)
Round 86,748:
• to the nearest ten thousand
90,000
Round 86,748:
• to the nearest thousand
87,000
3 x 12
36
Last year, a children's museum had 368,642 visitors. This year, it had 447,318 visitors. Round each attendance to the nearest thousand.
Then use the rounded numbers to find the approximate CHANGE in attendance.
447,000 - 369,000 =78,000
3 x 6
18
Pine Ridge: 342,615,000 m
Cedar Valley: 328,470,000 m
River Bend: 336,205,000 m
Oak Hills: 319,980,000 m
Which list shows the trail systems from longest to shortest?
A. Oak Hills, Cedar Valley, River Bend, Pine Ridge
B. Pine Ridge, River Bend, Cedar Valley, Oak Hills
C. Pine Ridge, Cedar Valley, River Bend, Oak Hills
D. River Bend, Pine Ridge, Cedar Valley, Oak Hills
342, 615,000m >336,205,000m > 328,470,000m > 319,980,000m
B
3 x 0
0
12 x 7
84
12 x 12
144
5 x 7
35
7 x 8
12 x 6
72