Bird Watching Walk: Compare Bird Counts
0 / 12Bird Watching Walk: Compare Bird Counts
Use tens and ones to compare two-digit numbers.
Pond Bird Counts
The class counted birds at the pond. Write >, <, or = to compare the two counts.
1.
The class saw 34 ducks and 43 geese.
34 43
2.
The class saw 58 robins and 52 sparrows.
58 52
3.
Aiden grouped the turtles on a log and found 2 tens and 7 ones. Grace counted 27 turtles on a big rock.
2 tens 7 ones 27
4.
The class showed two bird counts with blocks. A rod is 10. A cube is 1.
Morning count:
Afternoon count:
Morning count:
Afternoon count:
Morning count Afternoon count
5.
The class saw 18 swans and 81 gulls.
18 81
6.
The class saw 66 pigeons. They grouped the doves and found 6 tens and 8 ones.
66 6 tens 8 ones
More or Fewer Birds
Look at the tens first. If the tens are the same, look at the ones.
7.
Lena saw 47 birds. Which count is greater than 47?
8.
Which comparison is true?
9.
Circle every bird count that is less than 50.
10.
Sort each bird count. Is it greater than 60 or less than 60?
Bird Watcher Thinking
Use tens and ones to explain your thinking.
11.
Mae saw 72 birds. Ravi saw 27 birds. Who saw more birds?
saw more birds.
12.
Jon says 38 is greater than 41 because 8 is greater than 1. Is he right? Use tens and ones to explain.