除算の概念の紹介 | 3 年生 | 除算 | Mrs B による数学

Class Description
This interactive course introduces learners to division through engaging video lessons, scaffolded activities, independent practise, and problem-solving challenges. Learners will explore division as sharing and grouping before discovering its connection to multiplication through fact families.

What will be taught?
🐝 Understanding division as sharing equally
🐝 Exploring division as grouping
🐝 Recognising fact families and the link between multiplication and division

How is the class structured?
Each week includes:
🐝 A video lesson introducing the concept
🐝 A scaffolded activity for guided practise
🐝 An independent worksheet to apply skills
🐝 Problem-solving and reasoning challenges

Marking and Feedback
All completed work will be marked, with feedback provided to support understanding and progress.


Grade 3 Common Core Standards for Mathematics
📌 CCSS.MATH.CONTENT.3.OA.A.2
Interpret whole-number quotients of whole numbers, understanding division as partitioning objects into equal shares or groups.

📌 CCSS.MATH.CONTENT.3.OA.A.3
Use multiplication and division within 100 to solve word problems involving equal groups, arrays, and measurement quantities, employing drawings and equations with symbols for unknown numbers.

📌 CCSS.MATH.CONTENT.3.OA.A.4
Determine the unknown whole number in multiplication or division equations relating three whole numbers.

📌 CCSS.MATH.CONTENT.3.OA.B.6
Understand division as an unknown-factor problem, recognizing the relationship between multiplication and division.

📌 CCSS.MATH.CONTENT.3.OA.C.7
Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division or properties of operations.