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Mixed Addition and Subtraction math worksheet with a red fish graphic.

A math worksheet titled "Mixed Addition and Subtraction" with problems involving two-digit numbers, featuring a red fish illustration in the top right corner.

A math worksheet titled "Mixed Addition and Subtraction" with problems involving two-digit numbers, featuring a red fish illustration in the top right corner.

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Show Answer Key & Explanations Step-by-step solution for: Grade 1 mixed Addition & Subtraction up to 100 math school ...
It seems you've uploaded an image containing a worksheet with mixed addition and subtraction problems. Since the image itself isn't directly visible in this format, I'll provide a general explanation of how to solve such problems and then demonstrate with examples similar to what might be on the worksheet.

General Approach to Solving Mixed Addition and Subtraction Problems:


1. Identify the Operation: Look at each problem to determine whether it involves addition (`+`) or subtraction (`-`).
2. Perform the Calculation:
- For addition: Add the numbers together.
- For subtraction: Subtract the second number from the first.
3. Write Down the Answer: Ensure your answer is clear and correct.

Example Problems (Similar to What Might Be on the Worksheet):


Let's solve a few example problems step by step:

#### Problem 1: \( 33 + 14 \)
- Operation: Addition
- Calculation: \( 33 + 14 = 47 \)
- Answer: \( 47 \)

#### Problem 2: \( 49 - 29 \)
- Operation: Subtraction
- Calculation: \( 49 - 29 = 20 \)
- Answer: \( 20 \)

#### Problem 3: \( 56 + 55 \)
- Operation: Addition
- Calculation: \( 56 + 55 = 111 \)
- Answer: \( 111 \)

#### Problem 4: \( 55 - 35 \)
- Operation: Subtraction
- Calculation: \( 55 - 35 = 20 \)
- Answer: \( 20 \)

#### Problem 5: \( 64 + 35 \)
- Operation: Addition
- Calculation: \( 64 + 35 = 99 \)
- Answer: \( 99 \)

#### Problem 6: \( 81 - 37 \)
- Operation: Subtraction
- Calculation: \( 81 - 37 = 44 \)
- Answer: \( 44 \)

Explanation:


- Addition: When adding two numbers, simply combine their values. For example, \( 33 + 14 \) means you add 14 to 33, resulting in 47.
- Subtraction: When subtracting, take the second number away from the first. For example, \( 49 - 29 \) means you subtract 29 from 49, resulting in 20.

Final Answer:


If you have specific problems from the worksheet that need solving, please provide them, and I can solve them for you! Otherwise, the general approach and examples above should help you tackle any mixed addition and subtraction problems.

Boxed Final Answer for Examples:
\[
\boxed{47, 20, 111, 20, 99, 44}
\]
Parent Tip: Review the logic above to help your child master the concept of 1st grade math worksheet addition and subtraction.
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