Counting and Writing Numbers

What is the next number in the sequence: 10, 20, 30, 40, ___?

• 50

• 55

• 45

• 60

Write the number 5,000 in words.

• fifty thousand

• five hundred

• five hundred thousand

• five thousand

Count by hundreds starting from 100.

• 100, 200, 300, 400, 500, 600, 700, 800, 900, 1100, ...

• 100, 200, 300, 400, 500, 600, 700, 800, 900, 1001, ...

• 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, ...

• 100, 200, 300, 400, 500, 600, 700, 800, 900, 100, ...

What is the missing number in the sequence: 500, ___, 700, 800, 900?

• 1000

• 400

• 550

• 600

Write the number 3,000 in words.

• thirty thousand

• three hundred

• three hundred thousand

• three thousand

Count by tens starting from 50.

• 50, 40, 30, 20, 10, 0, -10, -20, -30, -40, ...

• 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, ...

• 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, ...

• 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, ...

What is the next number in the sequence: 200, 300, 400, 500, ___?

• 550

• 700

• 450

• 600

Write the number 7,000 in words.

• seven hundred

• seventy

• seventy thousand

• seven thousand

Count by hundreds starting from 200.

• 10000

• 1000

• 500

• 300

What is the missing number in the sequence: 600, 700, ___, 900, 1000?

• 500

• 600

• 100

• 800