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Continuing the Conversation. Continuing the Conversation. Cathy Fosnot. Minilessons for Addition and Subtraction. A warm–up mental math string. 92 + 39 99 + 32 139 + 94 134 + 99 199 + 34 129 + 97. What strategy does this string support? What big ideas underlie this strategy?. - PowerPoint PPT Presentation

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Continuing the Conversation

Continuing the Conversation

Continuing the ConversationCathy Fosnot

Minilessons for Addition and Subtraction

A warmup mental math string92 + 3999 + 32139 + 94134 + 99199 + 34129 + 97 What strategy does this string support?What big ideas underlie this strategy?Quick Image Billboards (K-1)

Small Group DiscussionsWhat strategies would you expect to see?How would you represent them?

The Landscape of Learning

Lets go to a classroomCdrom, minilesson folder (3rd), first page

video clips 18, 19, and 20

The Landscape of Learning

Back to the classroomsecond page

video clips 3, 5, 6#3 (3 on the top, 5 on the bottom)

#5 (2 on the top, 6 on the bottom)

#6 (is there another way the kids could trick me?)

Grade 243 + 1043 + 2043 + 1968 + 2339 + 54Whats the focus of the string?

A) compensationB) splittingC) jumps of tens and adjustingD) moving to a landmark numberGrade 250 + 5049 + 5125 + 2526 + 2532 + 2849 + 53Whats the focus of the string?

A) compensationB) splittingC) doubles +/-D) moving to a landmark numberGrade 2-3192-40192-43378-39247 29371 - 19 Whats the focus of the string?

A) constant differenceB) splittingC) doubles +/-D) taking jumps of ten backwards and adjustingBack to the classroomsixth page 192-40

video clips 76, 77

Back to the classroomSeventh page

video clip 79

Grade 2-3192-40192-43378-39247 29371 - 19 Heres the string again.Would you continue with the 4th problem?Revising in actionHow would you finish the string?

Michaels revisions192-40192-43378-39378-40371-19Grade 2-3146-12272-14283-275 (clip 83)

Heres the first part of a string that Michael does on another day.

Revising in actionWhat conversation would you have?

Have fun with minilessons.

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