AC9M3N03
Add and subtract two- and three-digit numbers using place value to partition, rearrange and regroup numbers to assist in calculations without a calculator
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Subtraction Strategies Puzzles
Practise identifying and using different subtraction strategies with a set of printable maths puzzles.
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Rounding Numbers on Vertical Number Lines Matching Activity
Practise rounding to the nearest ten and hundred on a vertical number line with this set of 36 match-up cards.
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The Addition Quest – Whole Class Game
Find the hidden gems and place their numbers into the correct positions on the worksheet to solve the sums.
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Place Value Wall Display
A place value wall display for the classroom.
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Place Value - Bunting
A display bunting which can be used to practise Place Value from units to quadrillions.
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Numeral Expander - Tens of Thousands
A numeral expander template to use when exploring five-digit numbers.
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Dodging Equations Active Learning
A whole class active game that encourages learning through a physical setting.
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Candy Cane Activity - 2 Digit Subtraction Tarsia
Practise two digit subtraction with regrouping with a Tarsia Puzzle candy cane activity.
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Rounding to 10, 100, and 1000 Worksheet — Halloween Colour-By-Number
Round each number to the place of the underlined digit with a fun Halloween colour-by-number worksheet.
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4 Digit Subtraction - Flip It Card Game
Practise subtracting 4-digit numbers with and without regrouping with a fun game of Subtraction Flip It!
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3 Digit Subtraction Game- Mathzee!
Practise subtracting 3-digit numbers with and without regrouping with a fun game of Subtraction Mathzee!
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2 Digit Subtraction Model Match-Up
Use a rigorous subtraction matching game to match subtraction word problems with number sentences, bar models, and solutions.
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3-Digit Subtraction - Bar Model Worksheet
Review and assess your students’ subtraction skills with a 3-digit subtraction worksheet focusing on the bar model strategy.
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2-Digit Subtraction Using Bar Models - Task Cards
Review and assess your students’ subtraction skills with a set of 2-digit subtraction task cards focusing on using the part-part-whole model.
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Subtraction using Place Value Disks- Interactive Slides
Practise subtracting multiples of 100 using place value disks with an interactive drag-and-drop activity.
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Rounding on Number Lines Interactive Mystery Picture Activity
Karate chop those rounding standards with a fun Rounding on a Number Line Mystery Reveal activity.
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Worksheet Set — Rounding Using a Vertical Number Line
Use a vertical number line to round whole numbers to the tens, hundreds, and thousands place with a pack of differentiated rounding worksheets.
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Rounding Using a Vertical Number Line Posters
Display how to round numbers to different places using a vertical number line with a set of posters.
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Addition Strategies: Base-Ten Blocks Worksheet
Practice using the strategy of using base-10 blocks and regrouping to find the sum.
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Subtraction within 100 - Two-Digit Subtraction Puzzles
Practise subtraction strategies with a set of printable maths puzzles.
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Adding within 1000 Bar Model Match Up Activity
Practise using the bar diagram to add numbers within 1000 with this match up activity.
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Adding within 1000 Addition Strategy Task Cards
Practise using a number of addition strategies to add numbers within 1000 with this set of task cards.
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Decomposing Numbers to a Ten – Interactive PowerPoint
Challenge students to decompose numbers to mentally solve two-digit subtraction problems with a teaching presentation.
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2-Digit Subtraction with Regrouping - Printable Math Mat
Explore subtraction with regrouping using a printable math mat and MAB blocks.
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Rounding Bingo — Using a Vertical Number Line
Review how to round numbers to the nearest ten, hundred, thousand, and ten thousand with a vertical number line Bingo game.
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Subtracting 2-Digit Numbers Task Cards
Practice 2-digit subtraction with this set of 18 task cards.
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Place Value Cards - 10 000, 1000, 100, 10, 1
A set of place value cards to help students explore and expand larger numbers.
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Number Talks Teaching Resource Pack - Grade 3
A collection of number talks teaching resources that support meaningful and highly engaging conversations in the mathematics classroom.
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Addition Detectives
This Mathematics unit covers a range of mental computation strategies for addition.
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Compensation Strategy
A 60-minute lesson designed to build upon students' understanding of addition and subtraction by exploring compensation.
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Assessment - Addition Strategies
A 30-minute assessment designed to assess students' understanding of working with place value to solve problems, the connection between addition and subtraction, and the development of efficient mental strategies for computation.
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Rounding Numbers to 10 and 100
A 60 minute lesson in which students will round 4-digit numbers to the nearest 10 and 100.