teaching resource

Spooky Sums Tarsia Puzzle – 3-Digit Addition

Updated: 01 May 2024

Practice three-digit addition skills with a Halloween pumpkin tarsia puzzle.

Non-Editable: PDF
Pages: 3 Pages
Years: 3 - 4

Curriculum

VC2M3A01

Recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences <ul> <li>partitioning numbers using materials, part-part-whole diagrams or bar models, and recording addition and subtraction facts for each representation, explaining how each fact is connected to the materials, diagrams or models (for example, 16 + 8 = 24, 24 − 8 = 16, 8 = 24 − 16)</li> <li>using the inverse relationship between addition and subtraction to find unknown values with a calculator or by counting on; for example, representing the problem ‘Peter had some money and then spent $375. Now he has $158 left. How much did Peter have to start with?’ as □ − $375 = $158 and solving the problem using $375 + $158 = $533; or solving 27 + □ = 63 using subtraction, □ = 63 – 27, or by counting on 27, 37, 47, 57, 60, 63, so add 3 tens and 6 ones, so □ = 36</li> <li>exploring Aboriginal and/or Torres Strait Islander Peoples’ stories and dances that show the connection between addition and subtraction, representing this as a number sentence and discussing how this conveys important information about balance in processes on Country/Place</li> </ul>
VC2M3A02

Extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator <ul> <li>partitioning using materials and part-part-whole diagrams to develop subtraction facts related to addition facts, such as 8 + 7 = 15 therefore 15 − 7 = 8 and 15 − 8 = 7</li> <li>using partitioning to develop and record facts systematically (for example, ‘How many ways can 12 monkeys be spread among 2 trees?’, 12 = 12 + 0, 12 = 11 + 1, 12 = 10 + 2, 12 = 9 + 3, …), explaining how they know they have found all possible partitions</li> <li>understanding basic addition and related subtraction facts and using extensions to these facts; for example, 6 + 6 = 12, 16 + 6 = 22, 6 + 7 = 13, 16 + 7 = 23, and 60 + 60 = 120, 600 + 600 = 1200</li> </ul>

teaching resource

Spooky Sums Tarsia Puzzle – 3-Digit Addition

Updated: 01 May 2024

Practice three-digit addition skills with a Halloween pumpkin tarsia puzzle.

Non-Editable: PDF
Pages: 3 Pages
Years: 3 - 4

Practice three-digit addition skills with a Halloween pumpkin tarsia puzzle.

Looking for Fun Addition Practise Worksheets?

You’re in the right place! We’ve assembled an exciting new tarsia puzzle for your students to practise adding three-digit numbers with regrouping up to 1000.

What is a Tarsia Puzzle?

Looking to reinforce your students’ mathematical understanding and problem-solving skills? Look no further than Tarsia puzzles! But….what exactly is a Tarsia puzzle?

These unique jigsaw puzzles are specifically designed for mathematics education, offering a challenging and engaging experience that helps students master key concepts. With various shapes, patterns, equations, diagrams, and other mathematical representations, Tarsia puzzles are a fantastic tool for promoting learning and exploration.

A Hauntingly Fun Halloween Maths Activity

It’s spooky season, so you’ve got to drop in pumpkin-spiced activities to grab the attention of your little ones. This tarsia puzzle features 16 pieces, each with multiple three-digit addition equations. Students will cut apart the pieces and then solve the puzzle by matching equations and answers to form a pumpkin!

Your students will love this new practise activity, and we hope you use it to ‘spice’ up your maths centres this October!

Use the dropdown arrow on the download button to download the printable PDF file.

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Curriculum

VC2M3A01

Recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences <ul> <li>partitioning numbers using materials, part-part-whole diagrams or bar models, and recording addition and subtraction facts for each representation, explaining how each fact is connected to the materials, diagrams or models (for example, 16 + 8 = 24, 24 − 8 = 16, 8 = 24 − 16)</li> <li>using the inverse relationship between addition and subtraction to find unknown values with a calculator or by counting on; for example, representing the problem ‘Peter had some money and then spent $375. Now he has $158 left. How much did Peter have to start with?’ as □ − $375 = $158 and solving the problem using $375 + $158 = $533; or solving 27 + □ = 63 using subtraction, □ = 63 – 27, or by counting on 27, 37, 47, 57, 60, 63, so add 3 tens and 6 ones, so □ = 36</li> <li>exploring Aboriginal and/or Torres Strait Islander Peoples’ stories and dances that show the connection between addition and subtraction, representing this as a number sentence and discussing how this conveys important information about balance in processes on Country/Place</li> </ul>
VC2M3A02

Extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator <ul> <li>partitioning using materials and part-part-whole diagrams to develop subtraction facts related to addition facts, such as 8 + 7 = 15 therefore 15 − 7 = 8 and 15 − 8 = 7</li> <li>using partitioning to develop and record facts systematically (for example, ‘How many ways can 12 monkeys be spread among 2 trees?’, 12 = 12 + 0, 12 = 11 + 1, 12 = 10 + 2, 12 = 9 + 3, …), explaining how they know they have found all possible partitions</li> <li>understanding basic addition and related subtraction facts and using extensions to these facts; for example, 6 + 6 = 12, 16 + 6 = 22, 6 + 7 = 13, 16 + 7 = 23, and 60 + 60 = 120, 600 + 600 = 1200</li> </ul>

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