Math Problem Statement

This image contains a worksheet titled 'Adding and Subtracting Integers (A)' with a variety of integer addition and subtraction problems.

Solution

This image contains a worksheet titled "Adding and Subtracting Integers (A)". It has a variety of integer addition and subtraction problems.

I will solve a few problems as an example, and you can let me know if you need solutions for the entire worksheet.

Sample Solutions:

  1. -81 + 78
    81+78=3-81 + 78 = -3

  2. 50 - 28
    5028=2250 - 28 = 22

  3. 78 - (-72)
    78+72=15078 + 72 = 150

  4. -95 + 75
    95+75=20-95 + 75 = -20

  5. 53 + 89
    53+89=14253 + 89 = 142

Would you like detailed solutions for all problems, or specific ones? Feel free to ask for clarification! Here are some questions to consider:

  1. What happens when adding two negative integers?
  2. How do you handle subtracting a negative number?
  3. What is the rule for adding a positive and negative integer?
  4. Can you explain the commutative property in addition?
  5. How does subtracting affect the outcome compared to addition?

Tip: When subtracting a negative number, always remember to convert it to addition!

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Math Problem Analysis

Mathematical Concepts

Integer Addition
Integer Subtraction
Basic Arithmetic
Negative Numbers

Formulas

a + (-b) = a - b
a - (-b) = a + b
Addition and subtraction of integers

Theorems

Commutative Property of Addition
Additive Inverse

Suitable Grade Level

Grades 6-8