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Counting Strategies

Counting Strategies
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Description

Including the Jump Strategy, Split Strategy and Compensation Strategy, these charts provide a highly visual, step by step approach to assist students learning to add and subtract 2 digit numbers.

Curriculum Codes

AC9M4N05 9

Solve problems involving multiplying or dividing natural numbers by multiples and powers of 10 without a calculator, using the multiplicative relationship between the place value of digits

AC9M5N09 9

Use mathematical modelling to solve practical problems involving additive and multiplicative situations including financial contexts; formulate the problems, choosing operations and efficient calculation strategies, using digital tools where appropriate; interpret and communicate solutions in terms of the situation

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

AC9M6N09 9

Use mathematical modelling to solve practical problems, involving rational numbers and percentages, including in financial contexts; formulate the problems, choosing operations and efficient calculation strategies, and using digital tools where appropriate; interpret and communicate solutions in terms of the situation, justifying the choices made

AC9M2A02 9

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

ACMNA055 8.4

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

ACMNA073 8.4

Apply place value to partition, rearrange and regroup numbers to at least tens of thousands to assist calculations and solve problems

ACMNA291 8.4

Use efficient mental and written strategies and apply appropriate digital technologies to solve problems

ACMNA123 8.4

Select and apply efficient mental and written strategies and appropriate digital technologies to solve problems involving all four operations with whole numbers

MA3-1WM old

Describes and represents mathematical situations in a variety of ways using mathematical terminology and some conventions

MA3-6NA old

Selects and applies appropriate strategies for multiplication and division, and applies the order of operations to calculations involving more than one operation

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

MA1-4NA old

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

MA3-5NA old

Selects and applies appropriate strategies for addition and subtraction with counting numbers of any size

MA3-3WM old

Gives a valid reason for supporting one possible solution over another

MA3-2WM old

Selects and applies appropriate problem- solving strategies, including the use of digital technologies, in undertaking investigations

MA2-5NA old

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

MA3-MR-02 new

Constructs and completes number sentences involving multiplicative relations, applying the order of operations to calculations

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

MA2-MR-01 new

Represents and uses the structure of multiplicative relations to 10 × 10 to solve problems

MA2-MR-02 new

Completes number sentences involving multiplication and division by finding missing values

MA3-RN-01 new

Applies an understanding of place value and the role of zero to represent the properties of numbers

MA3-RN-02 new

Compares and orders decimals up to 3 decimal places

MA3-RN-03 new

Determines percentages of quantities, and finds equivalent fractions and decimals for benchmark percentage values

MA3-AR-01 new

Selects and applies appropriate strategies to solve addition and subtraction problems

MA3-MR-01 new

Selects and applies appropriate strategies to solve multiplication and division problems

VCMNA153

Apply place value to partition, rearrange and regroup numbers to at least tens of thousands to assist calculations and solve problems

VCMNA185

Use efficient mental and written strategies and apply appropriate digital technologies to solve problems

VCMNA191

Create simple financial plans

VCMNA133

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

VCMNA103

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

VCMNA107

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

VCMNA209

Select and apply efficient mental and written strategies and appropriate digital technologies to solve problems involving all four operations with whole numbers and make estimates for these computations

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