Add and Subtract Decimals

Find the sum: 35.61 + 12.93

• 45.84

• 48.54

• 35.81

• 54.87

3.3 + 2.22=

• 5.72
• 5.55
• 5.52
• 5.4

31.5 + 6.24

• 37.74

• 93.9

• 32.124

• 30.74

Simon put this example on the board. What mistake was made?

• The decimals should be aligned.

• The numbers should be aligned on the right.

• There should be 1 decimal place in the answer.

• There should be 5 decimal places in the answer.

0.835 - 0.423

• 0.418
• 0.412
• 0.512
• 0.402

0.991 - 0.45

• 0.641 
• 0.541
• 0.551
• 0.531

987.4 - 321.70

• 665.07
• 605.7
• 665.7
• 1309.1