Missing Digits Addition and Subtraction to 100 000 Task Cards | Paper and Digital

Simplify your lesson planning with this set of 144 math task cards, perfect for Canadian teachers! Designed to cover solving for an unknown in an equation, these task cards are organized into three differentiated decks, with each deck increasing in difficulty. Whether you’re introducing algebra, guiding students through practice, or assessing their understanding, this resource is a must-have for your classroom.

This introductory algebra activity includes:

• simple equations with a symbol (like ☼ or ▲) to represent missing digits. Students can use any strategy to solve for the unknown numbers.
• 144 task cards in 3 levels: Gradually scaffolded for differentiated learning.
• Deck 1: 24 cards with missing addends to 100.
• Deck 2: 24 cards with missing addends to 1 000.
• Deck 3: 24 cards with missing addends to 10 000.
• Deck 4: 24 cards with missing subtrahends from 100.
• Deck 5: 24 cards with missing subtrahends from 1 000.
• Deck 6: 24 cards with missing subtrahends from 10 000.
• paper versions: in full-colour option for engaging visuals or ink-saving black-and-white version for economical printing.
• digital formats: Google Slides™ are interactive for online or blended classrooms or Google Forms™ in a quiz format for instant feedback and effortless marking.
• answer keys for every question.
• student answer recording pages designed for students to use any strategy.
• comprehensive instructions: Includes creative tips for paper and digital use, from group activities to independent practice. We’ve included tips to make it as easy as possible.

Why You Will Love These Task Cards:

• Aligned with Canadian classrooms: our task cards use SI notation, meaning there are no commas included in the numbers-only spaces. So, 38 492 is used instead of 38,492. They meet Canadian expectations. See below for specific outcomes.
• Low-prep: ready-to-use formats make lesson prep quick and stress-free.
• Flexibility:
  • Introduce algebra: build foundational understanding with scaffolded decks.
  • Practice and Review: reinforce learning in engaging ways. They make differentiated math practice easy. These make great exit slips.
  • Assess Learning: use for formative or summative assessments.
  • Model Problem Solving: demonstrate effective strategies in whole-group instruction.
• Engaging: Perfect for centres, rotations, independent practice, or group challenges.

Additional Resources to Support You:

• technology troubleshooting: Step-by-step solutions for technical issues with digital formats.
• creative ideas: Suggestions for turning task cards into fun games and collaborative activities.

Perfect for Your Classroom:

These task cards are designed to be adaptable and effective for students across various learning levels, while also saving you valuable time. The mix of printable and digital options ensures that this resource works seamlessly in traditional, online, or hybrid learning environments.

This resource aligns with:

• Alberta Math Curriculum Grade 4 ©2022
• British Columbia Mathematics Curricular Competencies Grade 4
• Saskatchewan Mathematics Curriculum Grade 4 P4.2

This resource supports:

• any lesson about solving single-variable, one-step equations using addends and subtrahends.

Ninja Note: To access the digital version, download the PDF and click on the link in the file. It can also be used by printing the paper version.

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