Free. Exclusive. Just for you.
Four unique services that make learning easier, faster, and smarter - only on our website.

Math assignment worksheet with addition problems.

A math assignment worksheet featuring addition problems with two-digit numbers, including sums like 11 + 55 = 66 and 63 + 3 = 66, arranged in a grid format.

A math assignment worksheet featuring addition problems with two-digit numbers, including sums like 11 + 55 = 66 and 63 + 3 = 66, arranged in a grid format.

GIF 647×837 8.2 KB Free · Personal Use
Quality Assured by Worksheets Library Team
Reviewed for educational accuracy and age-appropriateness
ID: #265243
Show Answer Key & Explanations Step-by-step solution for: First Grade Math Worksheets for 1st Grade Teachers

Problem Analysis:


The task involves solving a series of addition problems presented in a grid format. Each row contains five addition problems, and the solutions are already provided below each problem. The goal is to verify the correctness of the given solutions.

Solution Approach:


1. Understand the Structure: Each row contains five addition problems, and the solutions are written directly below each problem.
2. Verify Each Addition: For each problem, add the two numbers and compare the result with the provided solution.
3. Check All Rows: Repeat the verification for all rows to ensure all solutions are correct.

Step-by-Step Verification:



#### Row 1:
1. \( 11 + 55 = 66 \)
- Correct: \( 11 + 55 = 66 \)

2. \( 63 + 3 = 66 \)
- Correct: \( 63 + 3 = 66 \)

3. \( 61 + 25 = 86 \)
- Correct: \( 61 + 25 = 86 \)

4. \( 35 + 52 = 87 \)
- Correct: \( 35 + 52 = 87 \)

5. \( 13 + 54 = 67 \)
- Correct: \( 13 + 54 = 67 \)

#### Row 2:
1. \( 11 + 84 = 95 \)
- Correct: \( 11 + 84 = 95 \)

2. \( 15 + 62 = 77 \)
- Correct: \( 15 + 62 = 77 \)

3. \( 71 + 18 = 89 \)
- Correct: \( 71 + 18 = 89 \)

4. \( 51 + 28 = 79 \)
- Correct: \( 51 + 28 = 79 \)

5. \( 44 + 1 = 45 \)
- Correct: \( 44 + 1 = 45 \)

#### Row 3:
1. \( 55 + 41 = 96 \)
- Correct: \( 55 + 41 = 96 \)

2. \( 11 + 26 = 37 \)
- Correct: \( 11 + 26 = 37 \)

3. \( 22 + 45 = 67 \)
- Correct: \( 22 + 45 = 67 \)

4. \( 13 + 33 = 46 \)
- Correct: \( 13 + 33 = 46 \)

5. \( 23 + 41 = 64 \)
- Correct: \( 23 + 41 = 64 \)

#### Row 4:
1. \( 33 + 32 = 65 \)
- Correct: \( 33 + 32 = 65 \)

2. \( 65 + 13 = 78 \)
- Correct: \( 65 + 13 = 78 \)

3. \( 52 + 46 = 98 \)
- Correct: \( 52 + 46 = 98 \)

4. \( 31 + 42 = 73 \)
- Correct: \( 31 + 42 = 73 \)

5. \( 25 + 14 = 39 \)
- Correct: \( 25 + 14 = 39 \)

#### Row 5:
1. \( 21 + 45 = 66 \)
- Correct: \( 21 + 45 = 66 \)

2. \( 41 + 36 = 77 \)
- Correct: \( 41 + 36 = 77 \)

3. \( 34 + 33 = 67 \)
- Correct: \( 34 + 33 = 67 \)

4. \( 15 + 1 = 16 \)
- Correct: \( 15 + 1 = 16 \)

5. \( 34 + 64 = 98 \)
- Correct: \( 34 + 64 = 98 \)

Final Answer:


After verifying all the addition problems, all the provided solutions are correct. Therefore, the final answer is:

\[
\boxed{\text{All solutions are correct.}}
\]
Parent Tip: Review the logic above to help your child master the concept of 1st grade math worksheet addition and subtraction.
Print Download

How to use

Click Print to open a print-ready version directly in your browser, or use Download to save the file to your device. The ⭐ Answer button generates an AI answer key instantly - useful for teachers who need a quick reference. Need a different version? Our AI Worksheet Generator lets you create a custom worksheet on any topic in seconds.

(view all 1st grade math worksheet addition and subtraction)

First Grade Addition Worksheets - Superstar Worksheets
Large Print Math Drills For 1st Grade: Addition and Subtraction Problem worksheets for daily practice – Timed Test Reproducible with Answer Key ... 1 ...
Addition Worksheets for 1st Graders - Free with No Login ...
Addition & Subtraction - 1st Grade Math Worksheet Catholic ...
Mentally adding and subtracting | 1st grade Math Worksheet ...
First Grade Math Worksheets-First Grade Math Printables
1st Grade Math Worksheets - Superstar Worksheets
Addition & Subtraction Practice - 1st Grade Math Worksheet ...
First Grade Addition and Subtraction Worksheets | 1st grade math ...
Addition and Subtraction Worksheets for Grade 1 with Answer Key