Easy
Round 175.9 to the nearest whole number.
176
Round 527 to the nearest ten.
530
Round 0.682 to the nearest tenth.
0.7
Why do we round numbers?
Rounding numbers makes calculation easier
Round 9.95 to the nearest whole number
10
Round 325,988 to the nearest hundred.
326,000
Round 51.6782 to the nearest hundredth.
51.68
What kind of numbers can you round?
You can round whole numbers and decimals
Round 582.75 to the nearest whole number.
583
Round 2,995 to the nearest hundred.
3,000
Round 0.899 to the nearest hundredth.
0.90
When you’re rounding a number, can you round it to any place value? Yes or No
Yes
Round 41.907 to the nearest whole number
42
Round 25,731 to the nearest thousand.
26,000
Round 1.6249 to the nearest thousandth
1.625
What do all the digits to the right of the number you’re rounding to change to?
"0" Zeros
527 to the nearest ten = 530
Round 75.82 to the nearest whole number.
76
Round 670,250 to the nearest hundred-thousand.
700,000
Round 0.825167 to the nearest ten-thousandth.
0.8252
When do you round up a number?
When a number ends in 5, 6, 7, 8, or 9
Round 1,735.9 to the nearest ten = 1740