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# Christmas Subtraction Triangles

Description

Students will subtract one number from another in these cute little Christmas themed subtraction triangles for lower primary.

Suitable for
• Fast Finishers
• Relief Teachers
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

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

MA2-5NA old

Uses mental and written strategies for addition and subtraction involving two-, three-, four- and five-digit numbers

MA1-4NA old

Applies place value, informally, to count, order, read and represent two- and three-digit numbers

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

VCMNA106

Explore the connection between addition and subtraction

VCMNA132

Recognise and explain the connection between addition and subtraction

VCMNA139

Use a function machine and the inverse machine as a model to apply mathematical rules to numbers or shapes

VCMNA107

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

VCMNA103

Investigate number sequences, initially those increasing and decreasing by twos, threes, fives and ten from any starting point, then moving to other sequences

VCMNA133

Recall addition facts for single-digit numbers and related subtraction facts to develop increasingly efficient mental strategies for computation

AC9M3A01 9

Recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences

AC9M2A02 9

Recall and demonstrate proficiency with addition facts to 20; extend and apply facts to develop related subtraction facts

AC9M3A02 9

Extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator

ACMNA029 8.4

Explore the connection between addition and subtraction

ACMNA054 8.4

Recognise and explain the connection between addition and subtraction

ACMNA055 8.4

Recall addition facts for single-digit numbers and related subtraction facts to develop increasingly efficient mental strategies for computation