Practice Exercises for Adding and Subtracting Decimals
Directions: Read each question below. Select your answer by clicking on its button. Feedback to your answer is provided in the RESULTS BOX. If you make a mistake, choose a different button.
1. 

2. 
Which of the following decimals represents nine hundred sixtyfour and fiftyone hundredths? 
3. 
Which of the following is equal to 8.0200? 
4. 
Which of the following choices lists these decimals in order from least to greatest: 1.86, 1.75, 1.8? 
5. 
Which of the following choices lists these decimals in order from least to greatest: 36.021, 35.2, 35.201, 35.102? 
6. 
Which of the following is a reasonable estimate for the sum of 6.753 and 1.24? 
7. 
What is the sum of 128.964 cm and 72.09 cm? 
8. 
Which of the following is the sum of these numbers: 3.624 + 17.1583 + 12.09? 
9. 
Which of the following is a reasonable estimate for difference of 6.871 and 2.15? 
10. 
Which of the following is the correct difference when you subtract these decimals: $23.00 – $6.05? 