Problem Description:
The image shows a set of simple addition problems designed for 1st-grade students. The task is to solve these addition problems quickly and accurately.
Solution:
#### Top Row:
1.
1 + 4 = ?
- Add 1 and 4: \( 1 + 4 = 5 \)
-
Answer: 5
2.
2 + 1 = ?
- Add 2 and 1: \( 2 + 1 = 3 \)
-
Answer: 3
#### Second Row:
3.
2 + 4 = ?
- Add 2 and 4: \( 2 + 4 = 6 \)
-
Answer: 6
4.
6 + 3 = ?
- Add 6 and 3: \( 6 + 3 = 9 \)
-
Answer: 9
5.
5 + 0 = ?
- Adding 0 to any number leaves the number unchanged: \( 5 + 0 = 5 \)
-
Answer: 5
#### Third Row (Vertical Addition):
6.
5 + 5 = ?
- Add 5 and 5: \( 5 + 5 = 10 \)
-
Answer: 10
7.
1 + 3 = ?
- Add 1 and 3: \( 1 + 3 = 4 \)
-
Answer: 4
8.
7 + 0 = ?
- Adding 0 to any number leaves the number unchanged: \( 7 + 0 = 7 \)
-
Answer: 7
9.
4 + 1 = ?
- Add 4 and 1: \( 4 + 1 = 5 \)
-
Answer: 5
10.
1 + 5 = ?
- Add 1 and 5: \( 1 + 5 = 6 \)
-
Answer: 6
#### Fourth Row (Vertical Addition):
11.
3 + 2 = ?
- Add 3 and 2: \( 3 + 2 = 5 \)
-
Answer: 5
12.
6 + 2 = ?
- Add 6 and 2: \( 6 + 2 = 8 \)
-
Answer: 8
13.
8 + 0 = ?
- Adding 0 to any number leaves the number unchanged: \( 8 + 0 = 8 \)
-
Answer: 8
14.
9 + 1 = ?
- Add 9 and 1: \( 9 + 1 = 10 \)
-
Answer: 10
15.
0 + 6 = ?
- Adding 0 to any number leaves the number unchanged: \( 0 + 6 = 6 \)
-
Answer: 6
Final Answers:
- Top Row: 5, 3
- Second Row: 6, 9, 5
- Third Row: 10, 4, 7, 5, 6
- Fourth Row: 5, 8, 8, 10, 6
Boxed Final Answer:
\[
\boxed{5, 3, 6, 9, 5, 10, 4, 7, 5, 6, 5, 8, 8, 10, 6}
\]
Parent Tip: Review the logic above to help your child master the concept of 1th grade math worksheet.
