Division: Sharing Objects into Equal Groups
Grade 2 Mathematics Learning to divide by sharing equally
What do you know about division?
Think about sharing things equally Turn and talk with your partner We'll share our ideas together
Our Learning Goals Today
I can share ___ into ___ equal groups 2. Each group has ___ objects 3. When I divide ___ by ___, I get ___ 4. I know this because ___ 5. Another way to think about this is ___
Sentence Stems for All Learners
I can share ___ into ___ equal groups 2. Each group has ___ objects 3. When I divide ___ by ___, I get ___ 4. I know this because ___ 5. Another way to think about this is ___
Hook: Apple Sharing Story
Mrs. Garcia has 12 apples She wants to share them equally among 3 students How many apples will each student get? Let's act this out together!
Division Vocabulary
Groups: sets or piles of things that are the same size Equal: the same amount in each group Share: give out pieces so each person gets the same amount Array: objects arranged in rows and columns to help count Quotient: the number in each group (what we get when we divide)
Think It! Talk It! Write It! Prove It!
Groups: sets or piles of things that are the same size Equal: the same amount in each group Share: give out pieces so each person gets the same amount Array: objects arranged in rows and columns to help count Quotient: the number in each group (what we get when we divide)
Action-Based Learning (ABL): Cookie Division
Use real cookies or cookie manipulatives Start with 8 cookies, 2 plates Physically move cookies one at a time Count together: 'One for you, one for you'
Cooperative Learning: Division Teams
{"left":"Team roles: Materials Manager gets supplies\nRecorder writes down answers\nTimekeeper watches the timer","right":"Reporter shares with the class\nAll members help solve problems\nUse quiet voices and take turns"}
Hands-On Practice: Crayon Division
Groups: sets or piles of things that are the same size Equal: the same amount in each group Share: give out pieces so each person gets the same amount Array: objects arranged in rows and columns to help count Quotient: the number in each group (what we get when we divide)
Real World Materials Station Rotation
Station 1: Divide 15 counting cubes into 3 groups Station 2: Share 20 goldfish crackers among 4 friends Station 3: Split 18 stickers into 6 equal piles Station 4: Arrange 12 buttons in 4 equal rows
Array Practice: Making Rows and Columns
Arrays help us see division clearly 12 objects in 3 rows = 4 in each row 12 objects in 4 rows = 3 in each row Same total, different arrangements!
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