Problem Description:
The image shows a worksheet titled "Day 67" with a section labeled "Addition & Subtraction." It contains 12 problems, each involving either addition or subtraction. The task is to solve these problems and provide the answers.
Solution:
####
Step-by-Step Solutions:
1.
Problem 1:
\( 10 - 0 \)
Subtracting 0 from any number leaves the number unchanged.
Answer: \( 10 \)
2.
Problem 2:
\( 22 - 4 \)
Subtract 4 from 22:
\( 22 - 4 = 18 \)
Answer: \( 18 \)
3.
Problem 3:
\( 20 + 13 \)
Add 20 and 13:
\( 20 + 13 = 33 \)
Answer: \( 33 \)
4.
Problem 4:
\( 17 - 6 \)
Subtract 6 from 17:
\( 17 - 6 = 11 \)
Answer: \( 11 \)
5.
Problem 5:
\( 15 + 4 \)
Add 15 and 4:
\( 15 + 4 = 19 \)
Answer: \( 19 \)
6.
Problem 6:
\( 20 - 17 \)
Subtract 17 from 20:
\( 20 - 17 = 3 \)
Answer: \( 3 \)
7.
Problem 7:
\( 9 - 3 \)
Subtract 3 from 9:
\( 9 - 3 = 6 \)
Answer: \( 6 \)
8.
Problem 8:
\( 20 + 3 \)
Add 20 and 3:
\( 20 + 3 = 23 \)
Answer: \( 23 \)
9.
Problem 9:
\( 12 - 2 \)
Subtract 2 from 12:
\( 12 - 2 = 10 \)
Answer: \( 10 \)
10.
Problem 10:
\( 11 + 19 \)
Add 11 and 19:
\( 11 + 19 = 30 \)
Answer: \( 30 \)
11.
Problem 11:
\( 0 + 7 \)
Adding 0 to any number leaves the number unchanged.
Answer: \( 7 \)
12.
Problem 12:
\( 19 - 4 \)
Subtract 4 from 19:
\( 19 - 4 = 15 \)
Answer: \( 15 \)
13.
Problem 13:
\( 15 - 7 \)
Subtract 7 from 15:
\( 15 - 7 = 8 \)
Answer: \( 8 \)
14.
Problem 14:
\( 19 + 11 \)
Add 19 and 11:
\( 19 + 11 = 30 \)
Answer: \( 30 \)
15.
Problem 15:
\( 11 + 19 \)
Add 11 and 19:
\( 11 + 19 = 30 \)
Answer: \( 30 \)
---
Final Answers:
1. \( 10 \)
2. \( 18 \)
3. \( 33 \)
4. \( 11 \)
5. \( 19 \)
6. \( 3 \)
7. \( 6 \)
8. \( 23 \)
9. \( 10 \)
10. \( 30 \)
11. \( 7 \)
12. \( 15 \)
13. \( 8 \)
14. \( 30 \)
15. \( 30 \)
---
Boxed Final Answer:
\[
\boxed{10, 18, 33, 11, 19, 3, 6, 23, 10, 30, 7, 15, 8, 30, 30}
\]
Parent Tip: Review the logic above to help your child master the concept of 1st grade math worksheet addition and subtraction.