Problem Analysis and Solutions:
The provided worksheet involves
decimal addition in the context of word problems. Each problem requires adding decimal numbers to find the solution. Let's solve each problem step by step.
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Problem 1:
Question: Jennifer had 10.5 ounces of butter. To follow a recipe, she needed 12.5 ounces more. How many ounces of butter was needed in all?
Solution:
- Jennifer already has
10.5 ounces of butter.
- She needs an additional
12.5 ounces.
- Total butter needed = \( 10.5 + 12.5 \).
Perform the addition:
\[
10.5 + 12.5 = 23.0
\]
Answer: Jennifer needed
23.0 ounces of butter in total.
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####
Problem 2:
Question: Isaac has $19.55 in his wallet. His brother gave him $7.12 more. How much money does Isaac have?
Solution:
- Isaac initially has
$19.55.
- His brother gives him an additional
$7.12.
- Total money Isaac has = \( 19.55 + 7.12 \).
Perform the addition:
\[
19.55 + 7.12 = 26.67
\]
Answer: Isaac now has
$26.67.
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####
Problem 3:
Question: The weight of a crate of potatoes is 52.34 pounds. The weight of a crate of onions is 29.12 pounds. What is the sum of the two weights?
Solution:
- Weight of the crate of potatoes =
52.34 pounds.
- Weight of the crate of onions =
29.12 pounds.
- Total weight = \( 52.34 + 29.12 \).
Perform the addition:
\[
52.34 + 29.12 = 81.46
\]
Answer: The sum of the two weights is
81.46 pounds.
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####
Problem 4:
Question: Brandon downloaded two images for his presentation. One image was 45.22 KB, and the other was 87.1 KB. What was the combined file size of the two images?
Solution:
- File size of the first image =
45.22 KB.
- File size of the second image =
87.1 KB.
- Combined file size = \( 45.22 + 87.1 \).
Perform the addition:
\[
45.22 + 87.1 = 132.32
\]
Answer: The combined file size of the two images is
132.32 KB.
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Problem 5:
Question: The fence surrounding John’s house measured 74.7 inches. If it was extended by 25.3 inches, what is the new height of the fence?
Solution:
- Original height of the fence =
74.7 inches.
- Extension added =
25.3 inches.
- New height of the fence = \( 74.7 + 25.3 \).
Perform the addition:
\[
74.7 + 25.3 = 100.0
\]
Answer: The new height of the fence is
100.0 inches.
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Final Answers:
1.
23.0 ounces
2.
$26.67
3.
81.46 pounds
4.
132.32 KB
5.
100.0 inches
Boxed Final Answer:
\[
\boxed{23.0, 26.67, 81.46, 132.32, 100.0}
\]
Parent Tip: Review the logic above to help your child master the concept of decimal problems worksheet.
