Rounding at the Zoo
0 / 13Rounding at the Zoo
Round numbers to the nearest 10 or 100.
Round to the nearest 10
Round each number to the nearest 10. Use the number lines to help.
1.
The penguins ate 47 fish this morning.
47 rounded to the nearest 10 is .
2.
A baby giraffe weighs 132 pounds.
132 rounded to the nearest 10 is pounds.
3.
Maria walked 365 steps from the gate to the lion house.
365 rounded to the nearest 10 is steps.
4.
The zoo train carried 896 riders this week.
896 rounded to the nearest 10 is riders.
5.
A zookeeper weighed six tortoises. Circle each weight that rounds to 60 pounds when you round to the nearest 10.
Round to the nearest 100
Round each number to the nearest 100.
6.
On Monday, 382 people visited the reptile house.
382 rounded to the nearest 100 is people.
7.
A zebra weighs 650 pounds.
650 rounded to the nearest 100 is pounds.
8.
The aquarium has 249 fish.
249 rounded to the nearest 100 is fish.
9.
Match each day's visitor count to the number rounded to the nearest 100.
10.
Round each animal's weight to the nearest 100. Sort the weights.
Round and estimate
Use rounding to answer each question.
11.
Lucas walked 746 steps to see the bears. He rounds 746 to the nearest 10. Which answer is correct?
12.
On Saturday, 412 people visited the zoo. On Sunday, 289 people visited. Round each number to the nearest 100. Then add the rounded numbers to estimate how many people visited in all.
412 rounds to .
289 rounds to .
Estimate: about people
13.
Ava says 450 rounds to 400 when you round to the nearest 100, because 450 is right in the middle. Is she correct? Explain.