Comparing and Rounding Numbers Study Guide
Test Date: _________________________
Comparing Numbers
Students will use the vocabulary “greater than”, “less than”, or “equal to” and
symbols to compare numbers.
>
<
=
568 is less than 645
568 < 645
8,235 is greater than 7,648
8,235 > 7,648
Rounding
Students will round numbers to the tens, hundreds, and thousands place.
Tens place:
63 will round to 60
268 will round to 270
Hundreds place:
282 will round to 300
72 will round to 100
33 will round to 0
4,329 will round to 4,300
Thousands place: 3,231 will round to 3,000
9,999 will round to 10,000
Steps for rounding:
1. Circle the digit in the place you are rounding to (tens, hundreds, thousands).
74
2. Draw an arrow to the number to the right of the circled number.
74
3. Use this number to decide if you round up or down. (Four is the boss of Seven .)
If you have a 0, 1, 2, 3, or 4, you round down. (The circled number stays the same.) If
you have a 5, 6, 7, 8, or 9, you round up. (The circled number is increased by one.)
74
70
Examples:
Round to the nearest ten.
76
76
80
345
345
350
Round to the nearest hundred.
521
8,096
521
8,096
500
8,100
Round to the nearest thousand.
7,309
7,309
7,000
9,999
9,999
10,000