N5.3
Demonstrate, with and without concrete materials, an understanding of division (3-digit by 1-digit) and interpret remainders to solve problems.

[C, CN, PS, R]

Indicators for this outcome
(a)

Identify situations in one's life, family, or community in which division might be used and explain the reasoning.

(b)

Model the division process as equal sharing or equal grouping using various models and record the resulting process symbolically.

(c)

Explain concretely, pictorially, or orally why division by zero is not possible or undefined (e.g., 8 ÷ 0 is undefined or not possible to determine).

(d)

Generalize, relate, and apply concrete, pictorial, and symbolic strategies for dividing 3-digit whole numbers by 1-digit whole numbers.

(e)

Justify the choice of what to do with a remainder for a quotient depending upon the situation:

  • disregard the remainder (e.g., dividing 22 books among 4 students)
  • round up the quotient (e.g., the number of five passenger cars required to transport 13 people)
  • express remainders as fractions (e.g., five apples shared by two people)
  • express remainders as decimals (e.g., measurement and money).
(f)

Solve a division problem that is relevant to self, family, or community using personal strategies and record the process symbolically.

(g)

Recall the division facts to a dividend of 81 including in problem-solving situations.

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