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# Plus & Minus Game - Add & Subtract Numbers Within20

Description

In Plus & Minus Game of Snakes and Ladders, students will add and subtract numbers within 20.

Lesson Structure
• Rotations / Group Work
Curriculum Codes

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

MA1-5NA old

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

MA1-8NA old

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

MA1-CSQ-01 new

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

AC9M1N04 9

Add and subtract numbers within 20, using physical and virtual materials, part-part-whole knowledge to 10 and a variety of calculation strategies

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

ACMNA015 8.4

Represent and solve simple addition and subtraction problems using a range of strategies including counting on, partitioning and rearranging parts

ACMNA036 8.4

Solve problems by using number sentences for addition or subtraction

VCMNA089

Represent and solve simple addition and subtraction problems using a range of strategies including counting on, partitioning and rearranging parts

VCMNA094

Recognise the importance of repetition of a process in solving problems

VCMNA113

Solve problems by using number sentences for addition or subtraction