Number Operations · B6 Mathematics

Lesson notes

Learning Objectives

Indicator: B6.1.2.4.1 - Divide 3-digit numbers by 1-digit number efficiently

By the end of the lesson, learners can:

Explain division of a 3-digit number by a 1-digit number as repeated subtraction of the divisor from the dividend.
Use the long division method to divide 3-digit numbers by 1-digit numbers, showing all steps clearly.
Apply the long division method to solve division problems that involve remainders.
Check the accuracy of a division calculation by using multiplication (quotient × divisor + remainder = dividend).
Solve simple word problems involving the division of 3-digit numbers by 1-digit numbers.

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Curriculum details

Strand: Number (Strand 1)
Sub-strand: Number Operations (1.2)
Content standard: B6.1.2.4 - Demonstrate understanding of division of a 2 or 3-digit number by a 1 or 2-digit number
Indicator: B6.1.2.4.1 - Divide 3-digit numbers by 1-digit number efficiently
Suggested placement: Term 1, Week 11 (Week 11 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Mathematics Curriculum for Primary Schools (Basic 4-6), 2019, p. 127
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

E.g. 1. Division as repeated subtraction (using the long division method). Explain division as a way of repeatedly subtracting a divisor number from a given dividend until there is none left and then determining the number of times the divisor is taken from the dividend.

Wide colour mathematical teaching visual is organised as a table with horizontal divisions, vertical divisions,... — A wide colour mathematical teaching visual is organised as a table with horizontal divisions, vertical divisions, coloured regions. Visible labels, values, and notation include: number efficiently; E.g. I. Division as repeated subtraction (using the long; division method). Explain division as a way of; repeatedly subtracting a divisor number from a; given dividend until there is none left and then; determining the.