# Multiplication and division: multiply and divide by 3, 4 and 8

This guide provides a sequence of small steps starting with a recap of prerequisite understandings. Explore multiplication concepts of equal groupings before a focus on multiplying and dividing by 3, 4 and 8.

Year level(s) Year 2, Year 3, Year 4
Audience Teacher
Purpose Teaching resource, Teaching strategies
Teaching strategies and pedagogical approaches Questioning, Concrete Representational Abstract model, Explicit teaching
Keywords repeated addition, arrays, times tables, skip-counting, sharing, grouping, bar model, explicit teaching

## Curriculum alignment

Curriculum connections Numeracy
Strand and focus Number, Build understanding
Topics Multiplication and division, Place value
AC: Mathematics (V9.0) content descriptions
AC9M2N05
Multiply and divide by one-digit numbers using repeated addition, equal grouping, arrays, and partitioning to support a variety of calculation strategies

AC9M3A03
Recall and demonstrate proficiency with multiplication facts for 3, 4, 5 and 10; extend and apply facts to develop the related division facts

AC9M3N04
Multiply and divide one- and two-digit numbers, representing problems using number sentences, diagrams and arrays, and using a variety of calculation strategies

AC9M4A02
Recall and demonstrate proficiency with multiplication facts up to 10 x 10 and related division facts; extend and apply facts to develop efficient mental strategies for computation with larger numbers without a calculator

AC9M4N06
Develop efficient strategies and use appropriate digital tools for solving problems involving addition and subtraction, and multiplication and division where there is no remainder