Lesson 1

Number Sentences for Tile Designs

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
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Use DPP item A to practice the addition facts in Group D. Students will need the Triangle Flash Cards: Group D, an envelope with a paper clip, and their Addition Facts I Know chart. After students sort the cards, they should clip and store the facts they know quickly and continue to practice the facts they do not know. Students can take the cards for Group D home to practice with their families.

Ongoing Assessment

Use DPP item A to assess students’ strategies and fluency with the addition facts in Group D [E10, E11].

See the Letter Home for targeted practice ideas.

A. Triangle Flash Cards: Group D

With a partner, sort the flash cards into three piles: Facts I Know Quickly, Facts I Can Figure Out, and Facts I Need to Learn. Clip cards in the Facts I Know Quickly pile together and place them back into the envelope. Practice the facts in the last two piles again.