Naming and Rounding Decimals
What decimal place is indicated? 9.35879
Hundredths place
Add these Decimals? 9.8 + 2.6
12.4
Multiply these Decimals? 3.6 x 4.4
15.84
Divide these decimals? 6.84/2
3.42
How do you line up the decimal place?
Stack the numbers on top of each other, aligning the decimal points in a straight vertical line.
What do you do if there is a 9 in a decimal place?
Round up by adding 1 to the previous place value
Subtract these Decimals? 8.9 – 7.4
1.5
Multiply these Decimals? 9.4 x -6
-56.4
Divide these decimals? 3.2/-6
-0.5
Multiply these decimals? -9.3 x 2.9
-26.97
What decimal place is indicated? 6.79745
Hundredths place
Add these Decimals? 5.9 + 8.3
14.2
Multiply these Decimals? 4.6 x 8.9
40.94
Divide these decimals? 7.3/3.7
1.97
Subtract these decimals? 1.7 - 6.9
-5.2
When do you have to round up in a
Ten-thousandths place
Subtract these Decimals? 6.7 – 3.3
3.4
Multiply these Decimals? -9 x 3.8
-34.2
Divide these decimals? -2.8/1.2
-2.3
What decimal place is indicated? 8.45607
Thousandths place
Round this number to the place indicated? 1.69646
Thousandths place
Add these Decimals? 14.3 + 3.14
17.44
Multiply these Decimals? 6.0 x 6.7
40.2
Divide these decimals? 9.8/1.7
5.7
Add these decimals? 3.7 + 4.7
8.4