Select and use tools and representations strategically: choose between mental methods, formal written methods, algebraic approaches, coordinate grids, and technology based on the demands of the problem
A first look
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Question 1 of 3
Mia needs to calculate 9,537 ÷ 17 for her science‑fair budget. Which statement best explains why the long‑division algorithm is the smarter tool to use instead of trying to do the division only in her head?
Question 2 of 3
Jamal is sharing 5,643 stickers equally among 17 friends. Which explanation best shows why using the long‑division algorithm is the smarter tool instead of trying to do the division only in his head?
Question 3 of 3
Ethan is stacking 1‑cm cubes to build a rectangular block that is 12 cm long, 5 cm wide, and 4 cm high. Which method will let him find the total number of cubes in the block most efficiently?
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