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Solving Problems Involving Larger Numbers - Presentation
3 Primary + Unit Plans Presentations Mathematics Number & Place Value 29 Pages

Solving Problems Involving Larger Numbers - Presentation

This step-by-step presentation guides students through adding and subtracting two- and three-digit numbers using place value, part-part-whole models, and proportional models. They will understand the relationship between addition and subtraction and make informed choices about partitioning and regrouping numbers to solve problems.

The presentation provides a variety of examples and practice activities for teachers to use as scaffolds for student learning. It provides opportunities for explicit teaching, independent work, group work and class discussions. Students can work alongside the teacher, demonstrating their understanding through questions and activities in their workbooks or on whiteboards.
 

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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.

Curriculum alignment

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-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
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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