practice and consolidation:

a - operating with integers (answer without using a calculator)

1. $4 + (-3) =$
2. $5 - 12 =$
3. $-1 - (-1) =$
4. $12 - (-12) =$
5. $-5 - 4 =$
6. $-6 - (-2) =$

Question

practice and consolidation:

a - operating with integers (answer without using a calculator)

1. $4 + (-3) =$
2. $5 - 12 =$
3. $-1 - (-1) =$
4. $12 - (-12) =$
5. $-5 - 4 =$
6. $-6 - (-2) =$

Accepted Answer

{ "quality": "clear", "question_count": 6, "skills_matched": [ "step_cot", "table_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [], "new_concepts": [ "Integer Arithmetic", "Adding Negative Numbers", "Subtracting Negative Numbers" ], "current_concepts": [ "Integer Arithmetic", "Adding Negative Numbers", "Subtracting Negative Numbers" ] } ## Evaluate addition of a negative integer $$ 4 + (-3) = 4 - 3 = 1 $$ ## Evaluate subtraction resulting in a negative integer $$ \begin{aligned} 5 - 12 &= -(12 - 5) = -7\ -5 - 4 &= -(5 + 4) = -9 \end{aligned} $$ ## Evaluate subtraction of a negative integer $$ \begin{aligned} -1 - (-1) &= -1 + 1 = 0\ 12 - (-12) &= 12 + 12 = 24\ -6 - (-2) &= -6 + 2 = -4 \end{aligned} $$ | No. | Problem | Answer | |---|---|---| | 1 | $4 + (-3) =$ | $1$ | | 2 | $5 - 12 =$ | $-7$ | | 3 | $-1 - (-1) =$ | $0$ | | 4 | $12 - (-12) =$ | $24$ | | 5 | $-5 - 4 =$ | $-9$ | | 6 | $-6 - (-2) =$ | $-4$ | { "subject": "Mathematics", "question_type": "Fill-in-the-blank", "knowledge_point": [ "Mathematics", "Algebra", "Integer Arithmetic" ] }

No.	Problem	Answer
2	\(5 - 12 =\)	\(-7\)
3	\(-1 - (-1) =\)	\(0\)
4	\(12 - (-12) =\)	\(24\)
5	\(-5 - 4 =\)	\(-9\)
6	\(-6 - (-2) =\)	\(-4\)

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Question

Explanation:

Evaluate addition of a negative integer

Evaluate subtraction resulting in a negative integer

Evaluate subtraction of a negative integer

Answer: