Let's solve each of these decimal addition word problems step by step.
---
1) 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?
We need to add the amount Jennifer already has to the amount she needs:
$$
10.5 + 12.5 = 23.0 \text{ ounces}
$$
✔ Answer: 23.0 ounces
---
2) Isaac has $19.55 in his wallet. His brother gave him $7.12 more. How much money does Isaac have?
Add the two amounts:
$$
19.55 + 7.12 = 26.67
$$
✔ Answer: $26.67
---
3) 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?
Add the two weights:
$$
52.34 + 29.12 = 81.46 \text{ pounds}
$$
✔ Answer: 81.46 pounds
---
4) Brandon downloaded two images for his presentation. One image was 45.22 KB, and the other was 87.15 KB. What was the combined file size of the two images?
Add the two file sizes:
$$
45.22 + 87.15 = 132.37 \text{ KB}
$$
✔ Answer: 132.37 KB
---
5) 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?
Add the original height to the extension:
$$
74.7 + 25.3 = 100.0 \text{ inches}
$$
✔ Answer: 100.0 inches
---
✔ Final Answers:
1) 23.0 ounces
2) $26.67
3) 81.46 pounds
4) 132.37 KB
5) 100.0 inches
All problems involve
adding decimals, so make sure to align the decimal points and add as usual. Let me know if you'd like a visual explanation or help with any specific problem!
Parent Tip: Review the logic above to help your child master the concept of 6th grade decimal word problems worksheet.
