Toán 4 - Ôn thi giữa kì I

Circle the letter before the correct answer: A/ The number 515 215 is read as:

• Three hundred fifteen thousand one hundred twelve.

• One hundred thirty-five thousand two hundred eleven.

• Two hundred fifteen thousand two hundred eleven.

• Five hundred fifteen thousand two hundred fifteen.

The number consisting of '4 hundred thousand, 4 thousand and 8 hundred' is written as:

• 440 800

• 404 080

• 400 480

• 404 800

A/ Rounding the number 81 415 to the nearest ten gives what number?

• 81 420

• 81 400

• 81 000

• 80 000

Match the items in column A with the correct results in column B:

Write 'D' for true and 'S' for false in the blank: The area of a rectangle with a length of 16 dm and a width of 4 dm is:

• 16 dm2

• 64 dm2

Observe the chart, which week had the least number of books read?

Match the items with the rounded prices (to the nearest thousand):

Arrange the following numbers in descending order: 16 624; 16 743; 16 742; 16 642

The total age of 9 players (including the captain): 18 x 9 = A (age). The total age of 8 players (excluding the captain): 17 x 8 = B (age). The captain's age: A - B = C (age). What is C?

The number of pigs: 84 : 2 = A (pigs). The number of cows: 96 : 4 = B (cows). Since A > B, the pig pen has more than the cow pen. The number of pigs more than cows is: A - B = C (number). What is C?