add, subtract or fill in the missing numbers.
(1) \begin{array}{r} 25 \\ + 45 \\ \hline \end{array}
(5) \begin{array}{r} 70 \\ - 45 \\ \hline \end{array}
(2) \begin{array}{r} 37 \\ + 53 \\ \hline \end{array}
(6) \begin{array}{r} 90 \\ - 37 \\ \hline \end{array}
(3) \begin{array}{r} 29 \\ + 56 \\ \hline \end{array}
(7) \begin{array}{r} 85 \\ - 29 \\ \hline \end{array}
(4) \begin{array}{r} 43 \\ + 49 \\ \hline \end{array}
(8) \begin{array}{r} 92 \\ - 49 \\ \hline \end{array}

Question

Accepted Answer

{ "quality": "clear", "question_count": 8, "skills_matched": [ "step_cot", "table_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Column Addition", "Addition with Regrouping", "Column Subtraction", "Subtraction with Regrouping" ], "new_concepts": [], "current_concepts": [ "Column Addition", "Addition with Regrouping", "Column Subtraction", "Subtraction with Regrouping" ] } ## Solve addition problems (1) to (4) $$ \begin{aligned} &\text{(1) } 25 + 45 = 70 \ &\text{(2) } 37 + 53 = 90 \ &\text{(3) } 29 + 56 = 85 \ &\text{(4) } 43 + 49 = 92 \end{aligned} $$ ## Solve subtraction problems (5) to (8) $$ \begin{aligned} &\text{(5) } 70 - 45 = 25 \ &\text{(6) } 90 - 37 = 53 \ &\text{(7) } 85 - 29 = 56 \ &\text{(8) } 92 - 49 = 43 \end{aligned} $$ | No. | Problem | Answer | |---|---|---| | (1) | $25 + 45$ | $70$ | | (2) | $37 + 53$ | $90$ | | (3) | $29 + 56$ | $85$ | | (4) | $43 + 49$ | $92$ | | (5) | $70 - 45$ | $25$ | | (6) | $90 - 37$ | $53$ | | (7) | $85 - 29$ | $56$ | | (8) | $92 - 49$ | $43$ | { "subject": "Mathematics", "question_type": "Free Response", "knowledge_point": [ "Mathematics", "Arithmetic", "Multi-digit Addition and Subtraction" ] }

No.	Problem	Answer
(2)	\(37 + 53\)	\(90\)
(3)	\(29 + 56\)	\(85\)
(4)	\(43 + 49\)	\(92\)
(5)	\(70 - 45\)	\(25\)
(6)	\(90 - 37\)	\(53\)
(7)	\(85 - 29\)	\(56\)
(8)	\(92 - 49\)	\(43\)

Sovi.AI - AI Math Tutor

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Question

Explanation:

Solve addition problems (1) to (4)

Solve subtraction problems (5) to (8)

Answer: