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Maths Unit: Rounding & Estimating

Maths Unit: Rounding & Estimating
Games & Activities Resources Worksheets Unit Plans
Mathematics Number & Place Value Patterns & Algebra
View Curriculum Codes   
Description

This unit is designed to help Year 5 students consolidate their rounding skills and incorporate them with estimation to estimate solutions to difficult questions or check the reasonableness of answers.

Lesson Structure
  • Class Activity
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Curriculum Codes

AC9M3N05 9

Estimate the quantity of objects in collections and make estimates when solving problems to determine the reasonableness of calculations

AC9M4N07 9

Choose and use estimation and rounding to check and explain the reasonableness of calculations including the results of financial transactions

AC9M5N08 9

Check and explain the reasonableness of solutions to problems including financial contexts using estimation strategies appropriate to the context

ACMNA099 8.4

Use estimation and rounding to check the reasonableness of answers to calculations

VCMNA182

Use estimation and rounding to check the reasonableness of answers to calculations

MA3-1WM old

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

MA3-2WM old

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

MA3-3WM old

Gives a valid reason for supporting one possible solution over another

MA3-5NA old

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

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

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-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

MA3-MR-02 new

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

Linked Resources & Worksheets
Rounding and Estimating - Presentation
Details
Curriculum Code: AC9M3N05, VCMNA182, MA3-1WM, MA3-2WM, MA3-3WM, MA3-5NA, AC9M4N07, AC9M5N08, MA3-6NA, ACMNA099, MA2-RN-01, MA2-RN-02, MA2-AR-01, MA2-AR-02, MA2-MR-01, MA2-MR-02, ...
Year Level: Year 5
Subject: Mathematics, Number & Place Value, Patterns & Algebra
Category: Presentations
Pages: 18
Primary + Unit Plans Membership
Rounding and Estimating - Presentation
Rounding and Estimating - Student Reference Card
Details
Curriculum Code: AC9M3N05, VCMNA182, MA3-1WM, MA3-2WM, MA3-3WM, MA3-5NA, AC9M4N07, AC9M5N08, MA3-6NA, ACMNA099, MA2-RN-01, MA2-RN-02, MA2-AR-01, MA2-AR-02, MA2-MR-01, MA2-MR-02, ...
Year Level: Year 5
Subject: Mathematics, Number & Place Value, Patterns & Algebra
Category: Resources
Pages: 1
Pre & Primary Essentials Membership
Rounding and Estimating - Student Reference Card
Rounding - Student Reference Card
Details
Curriculum Code: AC9M3N05, VCMNA182, MA3-1WM, MA3-2WM, MA3-3WM, MA3-5NA, AC9M4N07, AC9M5N08, MA3-6NA, ACMNA099, MA2-RN-01, MA2-RN-02, MA2-AR-01, MA2-AR-02, MA2-MR-01, MA2-MR-02, ...
Year Level: Year 5
Subject: Mathematics, Number & Place Value, Patterns & Algebra
Category: Resources
Pages: 1
Pre & Primary Essentials Membership
Rounding - Student Reference Card
Rounding to the Nearest 100 - Poem
Details
Curriculum Code: ACMNA053, VCMNA131, MA2-1WM, MA2-2WM, MA2-3WM, MA2-4NA, AC9M3N03, ACMNA077, VCMNA157, MA2-7NA, AC9M4N03, AC9M2N02, MA1-RWN-01, MA1-RWN-02, MA1-1WM, MA1-2WM, ...
Year Level: Year 2, Year 3, Year 4
Subject: Fractions & Decimals, Number & Place Value
Category: Classroom Displays
Pages: 1
Pre & Primary Essentials Membership
Rounding to the Nearest 100 - Poem
Rounding Charts
Details
Curriculum Code: AC9M1N01, MA1-RWN-01, MA1-1WM, MA1-2WM, MA1-3WM, MA1-4NA, VCMNA087, AC9M1N05, MA1-CSQ-01, MA1-5NA, VCMNA089, VCMNA094, VCMNA092, VCMNA090, AC9M1N06, MA1-FG-01, ...
Year Level: Year 1, Year 2, Year 3, Year 4, Year 5
Subject: Number & Place Value
Category: Classroom Displays
Pages: 3
Pre & Primary Essentials Membership
Rounding Charts
Rounding Numbers
Details
Curriculum Code: ...
Year Level: Year 3
Subject: Number & Place Value
Category: Worksheets
Pages: 5
Rounding Numbers
Pirate Party Rounding Game - up to 6-digits
Details
Curriculum Code: AC9M3N01, VCMNA130, VCMNA152, MA2-1WM, MA2-2WM, MA2-3WM, MA2-4NA, VCMNA186, ACMNA072, AC9M3N05, VCMNA182, MA3-1WM, MA3-2WM, MA3-3WM, MA3-5NA, AC9M4N07, ...
Year Level: Year 4, Year 5
Subject: Number & Place Value
Category: Games & Activities
Pages: 4
Pre & Primary Essentials Membership
Pirate Party Rounding Game - up to 6-digits
Rounding to 100 - Race to Round 5 Digit
Details
Curriculum Code: ...
Subject: Number & Place Value
Category: Games & Activities
Pages: 1
Pre & Primary Essentials Membership
Rounding to 100 - Race to Round 5 Digit
Rockin' Rounding Rumble - Round to 10 000
Details
Curriculum Code: ...
Category: Games & Activities
Pages: 5
Pre & Primary Essentials Membership
Rockin' Rounding Rumble - Round to 10 000
Number Roundup
Details
Curriculum Code: AC9M3N05, VCMNA182, MA3-1WM, MA3-2WM, MA3-3WM, MA3-5NA, AC9M4N07, AC9M5N08, MA3-6NA, ACMNA099, MA2-RN-01, MA2-RN-02, MA2-AR-01, MA2-AR-02, MA2-MR-01, MA2-MR-02, ...
Year Level: Year 5
Subject: Mathematics, Number & Place Value, Patterns & Algebra
Category: Worksheets
Pages: 1
Pre & Primary Essentials Membership
Number Roundup
Rounding Numbers After the Decimal
Details
Curriculum Code: AC9M3N05, VCMNA182, MA3-1WM, MA3-2WM, MA3-3WM, MA3-5NA, AC9M4N07, AC9M5N08, MA3-6NA, ACMNA099, MA2-RN-01, MA2-RN-02, MA2-AR-01, MA2-AR-02, MA2-MR-01, MA2-MR-02, ...
Year Level: Year 3, Year 4, Year 5
Subject: Mathematics, Number & Place Value, Money, Patterns & Algebra
Category: Worksheets
Pages: 1
Pre & Primary Essentials Membership
Rounding Numbers After the Decimal
Checking for Reasonableness
Details
Curriculum Code: AC9M3N05, VCMNA182, MA3-1WM, MA3-2WM, MA3-3WM, MA3-5NA, AC9M4N07, AC9M5N08, MA3-6NA, ACMNA099, MA2-RN-01, MA2-RN-02, MA2-AR-01, MA2-AR-02, MA2-MR-01, MA2-MR-02, ...
Year Level: Year 5
Subject: Mathematics, Number & Place Value, Patterns & Algebra
Category: Worksheets
Pages: 1
Pre & Primary Essentials Membership
Checking for Reasonableness
Grocery Cart Estimate
Details
Curriculum Code: AC9M3N05, VCMNA182, MA3-1WM, MA3-2WM, MA3-3WM, MA3-5NA, AC9M4N07, AC9M5N08, MA3-6NA, ACMNA099, MA2-RN-01, MA2-RN-02, MA2-AR-01, MA2-AR-02, MA2-MR-01, MA2-MR-02, ...
Year Level: Year 5
Subject: Mathematics, Number & Place Value, Patterns & Algebra
Category: Worksheets
Pages: 1
Pre & Primary Essentials Membership
Grocery Cart Estimate
Best Guess
Details
Curriculum Code: AC9M3N05, VCMNA182, MA3-1WM, MA3-2WM, MA3-3WM, MA3-5NA, AC9M4N07, AC9M5N08, MA3-6NA, ACMNA099, MA2-RN-01, MA2-RN-02, MA2-AR-01, MA2-AR-02, MA2-MR-01, MA2-MR-02, ...
Year Level: Year 5
Subject: Mathematics, Number & Place Value, Patterns & Algebra
Category: Worksheets
Pages: 1
Pre & Primary Essentials Membership
Best Guess
Estimating Answers to Difficult Questions
Details
Curriculum Code: AC9M3N05, VCMNA182, MA3-1WM, MA3-2WM, MA3-3WM, MA3-5NA, AC9M4N07, AC9M5N08, MA3-6NA, ACMNA099, MA2-RN-01, MA2-RN-02, MA2-AR-01, MA2-AR-02, MA2-MR-01, MA2-MR-02, ...
Year Level: Year 5
Subject: Mathematics, Number & Place Value, Patterns & Algebra
Category: Worksheets
Pages: 1
Pre & Primary Essentials Membership
Estimating Answers to Difficult Questions
Estimating Problems
Details
Curriculum Code: AC9M3N05, VCMNA182, MA3-1WM, MA3-2WM, MA3-3WM, MA3-5NA, AC9M4N07, AC9M5N08, MA3-6NA, ACMNA099, MA2-RN-01, MA2-RN-02, MA2-AR-01, MA2-AR-02, MA2-MR-01, MA2-MR-02, ...
Year Level: Year 5
Subject: Mathematics, Number & Place Value, Patterns & Algebra
Category: Worksheets
Pages: 1
Pre & Primary Essentials Membership
Estimating Problems
Estimating & Rounding Review
Details
Curriculum Code: AC9M3N05, VCMNA182, MA3-1WM, MA3-2WM, MA3-3WM, MA3-5NA, AC9M4N07, AC9M5N08, MA3-6NA, ACMNA099, MA2-RN-01, MA2-RN-02, MA2-AR-01, MA2-AR-02, MA2-MR-01, MA2-MR-02, ...
Year Level: Year 5
Subject: Mathematics, Number & Place Value, Patterns & Algebra
Category: Worksheets
Pages: 1
Pre & Primary Essentials Membership
Estimating & Rounding Review