# Stage 1 EASTS Maths - CSQ20 | Lesson 1 & 2 | Combining and separating quantities **Price:** $6.00 AUD **Seller:** TeachBuySell Seller **Year Levels:** year1, year2 **Subjects:** mathematics ## Description Support your students in developing efficient strategies for addition and subtraction with this two-lesson PowerPoint resource aligned to CSQ20 of the EASTS Mathematics Scope and Sequence . These structured, explicit teaching slides are designed for Stage 1 learners and guide students to make connections between part-part-whole relationships, fact families, and number strategies. Each lesson follows the β€œI Do, We Do, You Do” model, providing clear explanations, hands-on practice with number sentences, and opportunities for students to explain their mathematical thinking. πŸ“˜ What’s Included: βœ… Lesson 1: Building and Connecting Number Facts β€’ Focus on part-part-whole relationships β€’ Uses number bonds and fact families β€’ Visual models (e.g. tens frames, counters) to build understanding β€’ Guided practice to link addition and subtraction facts βœ… Lesson 2: Applying Efficient Strategies β€’ Encourages mental computation and reasoning β€’ Students explore multiple ways to solve a problem β€’ Includes number talks and peer discussion prompts β€’ Challenges students to explain and justify their thinking 🎯 Features: βœ”οΈ Fully aligned with NSW EASTS Stage 1 – CSQ20 outcomes βœ”οΈ Editable PowerPoint format for easy use and adaptation βœ”οΈ Clear learning intentions and success criteria included βœ”οΈ Supports fluency, reasoning, and communication in maths 🧠 Ideal for: β€’ Whole-class explicit teaching β€’ Guided group sessions or targeted instruction β€’ Numeracy warm-ups or deep dive maths lessons β€’ Teachers using the EASTS Mathematics Sequence --- View on TeachBuySell: https://teachbuysell.com.au/l/686b7b0c-3ea3-402b-a546-6bb53ad98bcb Marketplace: https://teachbuysell.com.au