Rounding and Estimating Practice

Name:_________________________________
I can round numbers to the nearest ten.
When I round to the nearest TEN, my ONES place should ALWAYS be _______.
Rounder’s Rap!
Find the place value and CIRCLE the DIGIT!
Move to the RIGHT & underline it.
0-4 the circle stays the SAME.
But 5-9, adding 1 is the game!
Now, flex your muscles, just like a heroDigits to the right---change to 0!
All the other numbers, they stay the same.
Yo! You’re a winner of the ROUNDER’S game! 
Draw a line to show if the numbers round to 20 or 30:
21
22
23
24
20
30
25
26
27
28
29
Round each number to the nearest ten:
81

34
46
5
23
68
55
2
77
98
60
61
67
65
63
62
69
68
64
66
70
Round the following numbers to the nearest ten. Then ESTIMATE the total.
For example, 12 + 65 would be rounded to 10 + 70, so my estimate total = 80.
23 + 49 ____ + ____ = _____ is my estimate total
82 + 7 ____ + ____ = _____
55 + 19 = ____ + ____ = _____
33 + 56 = ____ + ____ = _____
3 + 64 = _____ + ____ = _____
Round the following zoo animals to the nearest ten to find the estimated number of animals. Show
your work.
ZOO ANIMALS
16 Lions
47 Zebras
25 Monkeys
32 Seals
Approximately (estimate by rounding) how many monkeys and zebras are there all together?
Approximately how many lions and seals are there all together?