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Subtraction with Regrouping
2 3 4 5 6 Pre & Primary Essentials Resources Mathematics Number & Place Value Patterns & Algebras 1 Page

Subtraction with Regrouping

Display this in your classroom, or use as a desk resource to support students in following the steps to subtract with reqrouping. The resource provides a specific example that students can follow as they complete their own subtraction problem.

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Learning goals

  • We are learning to add and subtract two-and three-digit numbers using place value groupings.
  • We are learning to partition, rearrange and regroup numbers to 10 000 using place value groupings.
  • We are learning to recall addition facts to 20 and apply to related subtraction facts using a range of strategies.
  • We are learning to recall addition and subtraction facts to 20 and to develop mental strategies for larger numbers.
  • We are learning to use a range of mental strategies to solve simple addition and subtraction problems.
  • We are learning to find unknown quantities in number sentences involving addition and subtraction, using the properties of numbers and operations.
  • We are learning to find unknown quantities in number sentences involving addition and subtraction and identify equivalent number sentences involving addition and subtraction.

Curriculum alignment

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 MA2-4NA old Applies place value to order, read and represent numbers of up to five digits MA2-8NA old Generalises properties of odd and even numbers, generates number patterns, and completes simple number sentences by calculating missing values 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 MA2-MR-02 new Completes number sentences involving multiplication and division by finding missing values 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 MA1-CSQ-01 new Uses number bonds and the relationship between addition and subtraction to solve problems involving partitioning 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
VCMNA163 Use equivalent number sentences involving addition and subtraction to find unknown quantities VCMNA164 Define a simple class of problems and solve them using an effective algorithm that involves a short sequence of steps and decisions 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 VCMNA131 Apply place value to partition, rearrange and regroup numbers to at least 10 000 to assist calculations and solve problems

Australian Curriculum covers QLD / SA / WA / NT / TAS / ACT.

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