Comparing, ordering and rounding big numbers
Answers are for parents and teachers.
1
Write < , > or = : 5,000,000 + 300 __ 5,030,000.
5,000,300 < 5,030,000.
2
Order from the smallest to the greatest: 702,300, 7,203,000, 720,030, 72,300.
72,300 < 702,300 < 720,030 < 7,203,000.
3
Round 1,296,540 to the nearest hundred thousand and to the nearest million.
1,300,000 and 1,000,000.
4
A stadium sold 45,380 tickets on Friday and 52,710 on Saturday. Estimate the total by rounding each to the nearest ten thousand. Then find the exact total.
Estimate: 50,000 + 50,000 = 100,000. Exact: 45,380 + 52,710 = 98,090.
5
Use the digits 4, 0, 7, 3, 9. Make the greatest and the smallest five-digit number and round each to the nearest thousand.
Greatest 97,430 rounds to 97,000. Smallest 30,479 rounds to 30,000.