Unit Review: Adding & subtracting decimals

N.1Fill in each blank.

1. 1
   $0.1$ more than $9.91$ is 
2. 2
   $0.01$ less than $8.713$ is 
3. 3
   $0.1$ more than $6.2$ is 
4. 4
   $0.01$ more than $13.499$ is 

N.2Add. Line up the decimal points.

1. 5
   34.7

   +15.5
2. 6
   27.39

   +11.84
3. 7
   16.67

   +41.74
4. 8
   42.7

   +31.8

N.3Subtract. Line up the decimal points.

1. 9
   21.1

   −9.5
2. 10
   29.8

   −12.1
3. 11
   34.32

   −5.09
4. 12
   34.7

   −10.5

N.4Add or subtract.

1. 13
   32.04

   −28.36
2. 14
   10.59

   +41.68
3. 15
   30.15

   +7.78
4. 16
   4.37

   +39.53

N.10.1 or 0.01 More or Less

1. 110.01
2. 28.703
3. 36.3
4. 413.509

N.2Add Decimals

1. 550.2
2. 639.23
3. 758.41
4. 874.5

N.3Subtract Decimals

1. 911.6
2. 1017.7
3. 1129.23
4. 1224.2

N.4Adding & Subtracting Decimals

1. 133.68
2. 1452.27
3. 1537.93
4. 1643.9