Last updated on July 6th, 2023 at 08:42 pm
[5] Round the following numbers to the nearest ten thousand:
a) 45,981 = ________
b) 98,376 = ________
c) 27,594 = ________
[6] Solve the following word problems:
a) The population of a city is 378,245. Write this number in expanded form.
b) The distance from Earth to the Moon is approximately 384,400 kilometers. Write this number in word form.
c) The largest recorded earthquake had a magnitude of 9.5 on the Richter scale. Write this number in expanded form.
Answers:
1a) 10,000 + 2,000 + 300 + 40 + 5
1b) 70,000 + 3,000 + 200 + 50 + 8
1c) 200,000 + 5,000 + 10 + 0 + 9
2a) Place value: Thousands
2b) Place value: Ten Thousands
2c) Place value: Hundreds
3a) Word form: Five hundred sixty-seven thousand nine hundred one
3b) Word form: Two million three hundred forty-five thousand six hundred seventy-eight
3c) Word form: Nine hundred eighty-seven thousand six hundred fifty-four
4a) 15,679 < 15,769
4b) 76,432 = 76,432
4c) 1,234,567 < 1,234,568
5a) 45,981 ≈ 50,000
5b) 98,376 ≈ 100,000
5c) 27,594 ≈ 30,000
6a) 300,000 + 70,000 + 8,000 + 200 + 40 + 5
6b) Three hundred eighty-four thousand four hundred
6c) 9,000,000 + 500,000 + 0 + 0 + 0 + 0
