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(1) Complete the number sequence, write the missing numbers.

1200, 1300, 1400, _______, _______, _______, _______

6200, 6300, _______, _______, _______, _______, _______

5900, 5800, _______, _______, _______, _______, _______

(2) Multiply the multiples of 100 by 10.

900 • 10 = _______ 900 • 10 = _______ 100 • 10 = _______

300 • 10 = _______ 900 • 10 = _______ 800 • 10 = _______

(3) Compare the multiples of 1000 and write the sign <, > or =.

10000 7000 7000 nine thousand

7 • 1000 2000 three thousand 3000

(4) Write the multiples of 1000 up to 10000 in words.

1000 = thousand 2000 = _______

4000 = _______ 5000 = _______

10000 = _______ 8000 = _______

(5) Add the necessary number to the smaller number to get the equality.

(6) Write the missing numbers.

1421, 1422, _______, _______, _______, _______, _______, _______

1860, 1870, _______, _______, _______, _______, _______, _______

(7) Fill in the table.

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