Sure! Let’s solve each of the 5 word problems step by step and explain the reasoning behind each solution.
---
Problem 1:
> There are 36 children in class one, 8 more joined. How many children are there in class one?
✔ Operation: Addition
We start with 36 children and add 8 more who joined.
Calculation:
```
36
+ 8
----
44
```
✔ Answer: 44 children
*(This is already shown correctly in the worksheet.)*
---
Problem 2:
> There are 34 birds on a tree. 5 birds laid egg. How many did not lay eggs?
✔ Operation: Subtraction
Total birds = 34
Birds that laid eggs = 5
Birds that did NOT lay eggs = Total - Those who laid eggs
Calculation:
```
34
- 5
----
29
```
✔ Answer: 29 birds
---
Problem 3:
> There are 40 cars on the road. 13 more drive into the road. How many cars are there on the road now?
✔ Operation: Addition
Start with 40 cars, then 13 more join.
Calculation:
```
40
+ 13
----
53
```
✔ Answer: 53 cars
---
Problem 4:
> A book contains 98 pages. Arun read 74 pages. How many pages does he have to read now?
✔ Operation: Subtraction
Total pages = 98
Pages read = 74
Pages left to read = Total - Pages read
Calculation:
```
98
- 74
----
24
```
✔ Answer: 24 pages
---
Problem 5:
> Mona has 32 pens. She gives 9 pens to Amit. How many pens does she have now?
✔ Operation: Subtraction
She starts with 32 pens and gives away 9.
Calculation:
```
32
- 9
----
23
```
✔ Answer: 23 pens
---
##
✔ Final Answers:
1)
44
2)
29
3)
53
4)
24
5)
23
---
## 📝 Explanation Summary:
-
Addition is used when something is *added* or *joined* (Problems 1 and 3).
-
Subtraction is used when something is *taken away*, *removed*, or we need to find what’s *left* (Problems 2, 4, and 5).
These are basic real-life applications of addition and subtraction — perfect for building foundational math skills!
Let me know if you’d like to see these written out in column format or with visual aids!
Parent Tip: Review the logic above to help your child master the concept of addition subtraction word problems worksheet 1st grade.