2. The Grade 4 pupils are cleaning their classroom at 7:05 a.m. The adviser
expects to finish their work at 7:35 a.m. How long will the pupils do the cleaning?
•What is asked?
•What are the given facts?
•What operation is needed?
•What is the number sentence?
•How is the solution done?
•What is the answer?
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Answer and Step-by-step explanation:
2. The Grade 4 pupils are cleaning their classroom at 7:05 a.m. The adviser
expects to finish their work at 7:35 a.m. How long will the pupils do the cleaning?
•What is asked: The amount of time the pupils finish cleaning
•What are the given facts: 7:05 a.m. and 7:35 a.m.
•What operation is needed: Subtraction
•What is the number sentence: 35 - 5= n
•How is the solution done:
7:35 - 7:05= 30
Without colons (:)
735 - 705= 30
•What is the answer: The pupils will finish cleaning after 30 minutes
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