1. Round these numbers to the nearest 10 000.a. 45 678
b. 24 055
c. 50 505

2. Round these numbers to the nearest 100 000.
a. 147 950
b. 865 507
c. 157 846

3. At a fundraising event, 5206 people dressed up as children's book characters to raise money for a children's hospital.
a. Round 5206 to the nearest 1000.
b. Round 5206 to the nearest 100.
c. Round 5206 to the nearest 10.

4. A number rounded to the nearest 10 is 340.
Find all the possible numbers it could be.

5. a. round 5495 to the nearest 10
b. round 5495 to the nearest 100
c. round 5495 to the nearest 1000
d. round your answer to (a) to the nearest 100, then round that answer to the nearest 1000
e. compare your answer to (c) and (d).
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