Rounding Decimals
Round to the nearest TENTHS place
1.23
1.20
1.22 + 4.66
5.88
12.56 - 8.11
4.45
0.6 x 8
4.8
2.0 / 0.5
4
Round to the nearest HUNDREDTHS
2.578
2.58
3.45 + 1.25
4.70
8.45 - 5.05
3.4
0.35 x 5
1.75
12.8 / 0.2
64
Round to the nearest ONES place
3.39
3.00
67.26 + 12.30
79.56
99.01 - 2.20
96.81
1.22 x 7
8.54
0.008 / 4
0.002
Which place value comes first tens or tenths?
tens
99.01 + 1.00
100.01
105.00 - 60.34
44.66
Do you have to line up your decimals when multiplying decimals?
NO
96.5 / .25
386
What are the rules of rounding?
1-4 down the vine
5-9 go up the vine
What is the first rule of adding decimals?
Line up the decimals
What is the first rule of subtracting decimals?
Line up the decimals
What is the rule of counting the numbers of numbers after the decimal point in both numbers you are multiplying?
You have to count the number of numbers after the decimal point in each number you are multiplying because that is the amount of numbers that you have to have after the decimal point in your answer.
What is the special rule in dividing decimals?
Move the decimal to the right in the divider in order to get a whole number, you have to do the same in the dividen.