# 2 & 3 Digit Subtraction Maths Word Problem | Constant Difference Strategy | Year 3 & 4 **Price:** $5.00 AUD **Seller:** TeachBuySell Seller **Year Levels:** year3, year4 **Subjects:** mathematics ## Description (seller-submitted) Looking for a purposeful way to help students tackle multi-digit subtraction with confidence and understanding? This resource is designed to explicitly teach students the Constant Difference subtraction strategy, helping them regroup efficiently by shifting both numbers to make subtraction easier, all through meaningful word problems. Rather than relying on traditional borrowing, students learn to find friendly numbers and apply the constant difference strategy with sensible reasoning and real-world contexts. Each problem encourages flexible thinking, strategic number sense and a deeper understanding of subtraction. HOW YOU CAN USE THIS RESOURCE: 🌿 Teach and reinforce the constant difference strategy 🌿 Support students who struggle with standard regrouping 🌿 Small group or guided maths instruction 🌿 Whole class rotations or maths stations 🌿 Relief-teacher friendly lesson with minimal prep WHAT'S INCLUDED: π“…¦ 40 Constant Difference Word Problem Task Cards Two-digit subtraction (15 cards) Three-digit & two-digit subtraction (10 cards) Three-digit subtraction (15 cards) π“…¦ Differentiation Strategy Support Empty model cards for independent problem solving Partially filled model cards for extra scaffolding π“…¦ Multiple Formats Print-ready PDF (minimal colour and black & white) Google Slides Microsoft PowerPoint π“…¦ Self-Checking Options - No Teacher Marking! Self-checking Google Form Self-checking PDF cards to print double sided (question on the front, answer on the back) π“…¦ Student Recording Supports 2 recording sheets: answers only, or constant difference models and answers Empty constant difference model worksheets Answer key included π“…¦ Resource Guide PDF Setup instructions Quick access links to Google Slides and Google Form Teaching suggestions Printing instructions for the self-checking cards CLICK THE PREVIEW FOR A CLOSER LOOK! WHY YOU'LL LOVE THIS RESOURCE: 🌿 Explicit strategy support β€” builds confidence and number sense 🌿 Word problems that encourage thinki… [truncated] --- View on TeachBuySell: https://teachbuysell.com.au/l/67271e67-d945-4e23-9b70-531256d4a537 Marketplace: https://teachbuysell.com.au