# Decimal Addition And Subtraction Practice Quiz

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8 decimal addition and subtraction problems

• 1.

### On average, it rains 3.4 inches in October in Kirkland and 5.84 inches in November.  How much more does it rain on average in Kirkland in November than in October?  Just type in the number; do not include words such as "inches".

Explanation
In November, it rains 2.44 inches more on average in Kirkland than in October.

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• 2.

### Admission to the Riverbanks Zoo and Garden in Columbia, South Carolina is \$9.75 for each adult and \$7.25 for each child ages 3 - 12. How much would it cost for one adult and one 10-year-old?  Type in the number only; do not inlcude a \$ or the word "dollars".

Explanation
The cost for one adult is \$9.75 and the cost for one 10-year-old child is \$7.25. To find the total cost, we add these two amounts together: \$9.75 + \$7.25 = \$17.00. Therefore, it would cost \$17.00 for one adult and one 10-year-old.

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• 3.

### Makayla bought 1.35 pounds of ham and 0.625 pounds of turkey. How much meat did she buy all together?  Type in only the number; do not include words such as "pounds".

Explanation
Makayla bought 1.35 pounds of ham and 0.625 pounds of turkey. To find out how much meat she bought all together, we add the weights of ham and turkey. Adding 1.35 and 0.625 gives us a total of 1.975 pounds.

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• 4.

### One weekend, LaTasha ran 1.35 miles on Saturday and 1.017 miles on Sunday. How far did LaTasha run that weekend?  Type in only the digits; do not include words.

Explanation
LaTasha ran 1.35 miles on Saturday and 1.017 miles on Sunday. To find the total distance she ran, we add these two distances together. Adding 1.35 and 1.017 gives us a total distance of 2.367 miles.

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• 5.

### In a relay race, the first team member ran for 2.12 minutes, the second ran for 3.417 minutes, and the third ran for 2.5 minutes. What was the total running time for the team?  Type in only the digits.

Explanation
The total running time for the team can be calculated by adding the running times of each team member. The first team member ran for 2.12 minutes, the second team member ran for 3.417 minutes, and the third team member ran for 2.5 minutes. Adding these times together, we get 2.12 + 3.417 + 2.5 = 8.037 minutes.

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• 6.

### The length of a rectangle is 35.6 cm and the width is 24.83 cm.  What is the difference between the length and the width of the rectangle?  Type in only the number; do not include units.

Explanation
The difference between the length and the width of the rectangle is calculated by subtracting the width from the length. In this case, the length is 35.6 cm and the width is 24.83 cm. When we subtract the width from the length, we get 10.77 cm.

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• 7.

### The planets are so far apart that rather than measuring the distances in miles or kilometers, Astronomical Units (AU) are often used.  One Astronomical Unit is approximately the distance the Earth is from the sun.  If Venus is 0.72 AU from the sun and Jupiter is 5.2 AU from the sun, how far apart are Venus and Jupiter?  Type in only the number; do not include the units.

Explanation
To find the distance between Venus and Jupiter, we subtract the distance of Venus from the distance of Jupiter. Therefore, 5.2 AU - 0.72 AU = 4.48 AU.

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• 8.

### If one twin weighed 4.32 kg at birth and the other twin weighed 4.1 kg at birth, how much more did one twin weigh than the other?  Type in only the number; do not include the units.

Explanation
The weight difference between the two twins is 0.22 kg.

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• Current Version
• Mar 21, 2023
Quiz Edited by
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• Mar 27, 2012
Quiz Created by
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