Toán Học Cơ Bản

Round the number 76,457 to the nearest thousand.

• 80,000

• 76,000

• 76,500

• 76,450

The sequence of numbers written in ascending order is:

• 3426; 2517; 4840; 9599.

• 9999; 3467; 1290; 2439.

• 904; 4577; 5110; 9451.

• 904; 5110; 9451; 4577.

The number consisting of 3 tens, 7 hundreds, and 2 units is written as:

• 372

• 30,720

• 30,702

• 37,200

Ha is thinking of a five-digit number that rounds to the same result when rounded to the nearest thousand or ten thousand. The number Ha is thinking of is:

• 87,363

• 25,639

• 74,523

• 50,487

80,103 > 80...89. The number to fill in the blank is:

• 2

• 0

• 8

• 9

The population of a district is 95,839. In the report, the reporter rounded the population to the nearest ten thousand. What is the rounded population?

• 80,000

• 90,000

• 100,000

• 95,000

In the number 76,235, the value of the digit 2 is greater than the value of the digit 3 in the units place by:

• 1 unit

• 170 units

• 200 units

• 30 units

The library of an elementary school has 2,385 books. If rounded to the nearest hundred, we can say: The library has approximately:

• 2,300 books

• 2,400 books

• 2,500 books

• 2,380 books

The largest five-digit number whose digits sum to 10 is:

• 19,123

• 91,000

• 91,101

• 99,000

Given the sequence: 12,125; 12,130; 12,135; 12,140;... What is the sixth number in the sequence?

• 12,145

• 12,245

• 12,130

• 12,150