The Rounding Rules
When rounding to a specific place value, this is where you look to find your "helping number"
The number to the right
Calculate the difference: 16.21 - 15.5
0.71
This is the number of kilograms in 1 metric ton
1,000kg
On a number line between 1 and 2, this decimal sits exactly in the middle
1.5
This is the result for the digit you are rounding if the helping number is four or less
Let it rest (leave the number the same value)
Calculate the difference: 25.4 - 14.25
11.15
Convert 8,000mg into grams
8 grams
Out of the following list, this number is the smallest: 1.7, 1.2, 1.18, 1.08, 1.1
1.08
This is what you do to the digit you are rounding if the helping number is five or more.
Raise the score (increase the digit by one)
Calculate the difference: 801.35 - 777.48
23.87
If you have 2,800 grams, you have this many kilograms
2.8 kg
Between 1.07, 1.77, and 1.7, this number is greatest
1.77
Round 6.7431 to the nearest tenth
6.7
Calculate the difference: 936.1 - 801.05
135.05
Convert 0.25g into milligrams
250 mg
This is the correct order of 1.18, 1.008, and 1.08 from greatest to least
1.18, 1.08, 1.008
7.999 to the nearest hundredth
8
When subtracting 936.1 - 801.05, you should add this to the end of 936.1 to ensure you are subtracting hundredths from hundredths
0 (to make the number 936.10)
Convert 0.015 metric tons into kilograms
15 kg
Of these numbers 1.099, 1.47, 1.80, 1.60, 1.2, 1.98, 1.18, 1.08, 1.1, 1.55, this one is closest to the whole number 2
1.98