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# Subtraction with Regrouping - Presentation

Description

This step-by-step presentation guides students through completing subtraction problems involving regrouping. First, the presentation revises basic subtraction concepts, moves on to subtractions with regrouping and then looks at those trickier subtraction problems involving multiple regrouping and zeros. The presentation is part of a larger unit of work on Subtraction with Regrouping- Year 3.

Suitable for
• Relief Teachers
• Parents
Lesson Structure
• Class Activity
Curriculum Codes

AC9M3N03 9

Add and subtract two- and three-digit numbers using place value to partition, rearrange and regroup numbers to assist in calculations without a calculator

AC9M2N04 9

Add and subtract one- and two-digit numbers, representing problems using number sentences and solve using part-part-whole reasoning and a variety of calculation strategies

ACMNA030 8.4

Solve simple addition and subtraction problems using a range of efficient mental and written strategies

ACMNA054 8.4

Recognise and explain the connection between addition and subtraction

ACMNA036 8.4

Solve problems by using number sentences for addition or subtraction

ACMNA053 8.4

Apply place value to partition, rearrange and regroup numbers to at least 10 000 to assist calculations and solve problems

MA1-5NA old

Uses a range of strategies and informal recording methods for addition and subtraction involving one- and two-digit numbers

MA1-1WM old

Describes mathematical situations and methods using everyday and some mathematical language, actions, materials, diagrams and symbols

MA1-2WM old

Uses objects, diagrams and technology to explore mathematical problems

MA1-3WM old

Supports conclusions by explaining or demonstrating how answers were obtained

MA1-8NA old

Creates, represents and continues a variety of patterns with numbers and objects

MA2-1WM old

Uses appropriate terminology to describe, and symbols to represent, mathematical ideas

MA2-2WM old

Selects and uses appropriate mental or written strategies, or technology, to solve problems

MA2-3WM old

Checks the accuracy of a statement and explains the reasoning used

MA2-4NA old

Applies place value to order, read and represent numbers of up to five digits

MA1-CSQ-01 new

Uses number bonds and the relationship between addition and subtraction to solve problems involving partitioning

MA2-RN-01 new

Applies an understanding of place value and the role of zero to represent numbers to at least tens of thousands

MA2-RN-02 new

Represents and compares decimals up to 2 decimal places using place value

MA2-AR-01 new

Selects and uses mental and written strategies for addition and subtraction involving 2- and 3-digit numbers

MA2-AR-02 new

Completes number sentences involving addition and subtraction by finding missing values

VCMNA113

Solve problems by using number sentences for addition or subtraction

VCMNA131

Apply place value to partition, rearrange and regroup numbers to at least 10 000 to assist calculations and solve problems