Multiplying Decimals
0.15
This power of 10 equals what number?
102
1000
10+0.5
10.5
0.8 - 0.46
0.34
Name the underlined place value:
1.249
Tenths
1.4 x 0.2
0.28
Put this number into a power of 10:
10,000
104
12.3+3.1
15.4
What happens when we do not have the same number of place values in the decimal subtraction problem?
You add zeros!
Name the underlined place value:
4.389
Hundredths
2.6 x 4
10.4
What is one key indicator that tells you how to convert a number into a power of 10?
The zeros!
78.44+8.92
87.36
1 - 0.32
0.68
5.438
Thousandths
What is one instance where when we multiply, numbers get smaller?
When we multiply decimals by decimals with no whole numbers!
This power of 10 equals what number?
106
1,000,000 - One million
136.45+97.88
234.33
1.46 - 0.78
0.68
Which underlined place value has a GREATER value?
13.452 or 7.328
3.4 x 6.1
20.74
1,000,000,000
109
What is one thing you have learned about adding with decimals that is different than adding with whole numbers?
- The place values need to be lined up - You can't line up all your numbers to the right side
0.865 - 0.494
0.371
Order the place values from least value to greatest value:
Tenths, Hundredths, Thousandths
Thousandths, Hundredths, Tenths