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    Second Grade
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    Quarter 2Week 14FridayDay 70 of 180

    Week 14, Friday: Demonstrate that they can solve take-from · Publish a compare and contrast paragraph

    Day 70 · 3 lessons · 140 min

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    Math

    Students will demonstrate that they can solve take-from and compare word problems using bar models and equations with a symbol for the unknown (2.OA.A.1).

    Remember?

    3 quick questions from earlier weeks · about 3 minutes

    1. 18 − 9 = ? Facts to 20
    2. Omar has 35 shells. Omar gets 23 more. How many shells now? Week 13
    3. Add the tens first: 53 + 80 = ? Week 11

    Standards Addressed

    2.OA.A.12.NBT.B.5

    Activities

    10 min

    Warm-Up

    Sort five problem cards by type without solving: two take-from, two compare, one add-to. Your child reads each aloud and says 'take-from,' 'compare,' or 'add-to' and explains one clue word or idea that helped.

    15 min

    Mini-Lesson

    Review the two model shapes side by side on the whiteboard: single bar with a crossed-out part (take-from) and two stacked bars with a ? over the difference (compare). Solve one of each together with your child holding the marker: 'A farmer had 63 eggs and sold 47. How many left?' (16) and 'Eva ran 36 laps. Noah ran 19. How many more laps did Eva run?' (17).

    15 min

    Weekly Assessment

    Four problems on one page, each needing a bar model, an equation with ?, and an answer: 1) 'Jack had 51 stickers and gave away 26. How many are left?' (25); 2) 'Ivy has 47 shells. Leo has 29. How many more shells does Ivy have?' (18); 3) 'There were some apples in the basket. 17 were eaten and 24 are left. How many at first?' (41); 4) 'Ben has 33 cards. Tessa has 14 fewer. How many cards does Tessa have?' (19). Note which model shape your child chooses for each.

    5 min

    Wrap-Up

    Reflect: 'Last week the stories added; this week they took away and compared. Which model did you draw the most?' Preview next week: getting fast with facts within 20 so the stories get easier.

    Materials Needed

    assessment page (four problems)index cardspaperpencilwhiteboard or large paper

    Assessment

    Solve comparison and take-away word problems with bar models

    Related Resources

    Math Worksheets (Weeks 13-16)Math Answer Key (Weeks 13-16)

    English Language Arts

    Students will publish a compare and contrast paragraph and demonstrate reading and writing of compound words and contractions (RL.2.9, W.2.2, L.2.2c).

    Remember?

    3 quick questions from earlier weeks · about 3 minutes

    1. Name two words in the -ight family. Week 13
    2. Read smoothly, like talking: 'The seed fell to the ground and began to grow.' Week 11
    3. What is the plural of 'tooth'? Grammar and spelling

    Standards Addressed

    RL.2.9W.2.2L.2.2c+2 more

    Activities

    10 min

    Reading Celebration

    Slipper Vote: set out the three books and let each family member place a bean on the version they liked best, then say one reason. Your child tallies the beans and announces the winner.

    Cinderella by Marcia BrownYeh-Shen by Ai-Ling LouieMufaro's Beautiful Daughters by John Steptoedried beans
    15 min

    Reading Assessment

    Give your child a blank Venn diagram labeled Cinderella and Yeh-Shen. Without the books open, they write two things only in each circle and two things in the middle, then tell you the lesson both stories teach. This is the week's assessment.

    paperpencil
    15 min

    Publishing and Author's Chair

    Your child copies the compare and contrast paragraph neatly and draws the three helpers (fairy godmother, fish, and the snake or king from Mufaro's tale) along the bottom. They read from the Author's Chair and answer one question from the audience.

    writing folderclean paperpencilcrayons
    10 min

    Phonics Check

    Dictate five compound words (rainbow, backpack, popcorn, toothbrush, sidewalk) and five contractions (can't, didn't, it's, we're, I'll). Check apostrophe placement together and have your child fix any misses.

    paperpencil
    15 min

    Independent Reading

    Free choice from the three Cinderella books or a library folktale. Ask your child to find one contraction and one compound word while reading and show you at the end.

    library books

    Materials Needed

    Cinderella by Marcia BrownYeh-Shen by Ai-Ling LouieMufaro's Beautiful Daughters by John Steptoedried beanspaperclean paperpencilcrayonswriting folderlibrary books

    Assessment

    Venn diagram of Cinderella and Yeh-Shen from memory with a stated shared lesson, published compare and contrast paragraph, and a 10-word dictation of compound words and contractions.

    Related Resources

    ELA Worksheets (Weeks 13-16)ELA Answer Key (Weeks 13-16)

    Science

    Students will present a clearly defined problem, criteria, and constraints in words and drawings (K-2-ETS1-1).

    Standards Addressed

    K-2-ETS1-1

    Activities

    10 min

    Drawing Conclusions

    Make a one-page Problem Brief in the notebook with three boxes: Problem (the sentence from Monday), Criteria (the three items), and Constraints (recycling-bin materials only, must be done in one week). Read it aloud and check: 'Could a stranger understand our problem from this page?'

    Engineering Notebookpencilruler
    15 min

    Extension or Art Connection

    Draw a 'before' picture of the problem happening (crayons rolling, a frowning face) and make a labeled diagram of the tilted-book test with the three roll distances written as a little table. Decorate the Problem Brief cover with the title 'Our Problem' in bubble letters.

    drawing papercrayons or markersruler
    5 min

    Week Reflection

    Ask: 'What did the interviews teach us that the test did not?' and 'What is one idea you already have for a solution?' Write the idea on a sticky note and save it; next week is design week.

    Materials Needed

    Engineering Notebookpencilrulerdrawing papercrayons or markerssticky notes

    Related Resources

    Science Worksheets (Weeks 13-16)Science Answer Key (Weeks 13-16)

    Today's Practice

    One page for your child for each lesson. Answers are for grown-ups.

    Math practice · Week 14 · Friday

    I can get ready to show what I know about take-away and compare stories.

    Get ready! Circle the kind of story.

    1. Tom had 30 grapes. He ate 12. How many are left?take-awaycompare
    2. Tom has 30 grapes. Sue has 12. How many more does Tom have?take-awaycompare

    Draw a bar model. Write the equation and solve.

    1. A box had 55 pencils. 28 were used. How many are left?
    2. Jada has 61 shells. Kai has 37. How many more shells does Jada have?
    3. Some pears were in a bowl. 14 were eaten. 23 are left. How many were there at first?
    How did it go? Great Okay Tricky

    ELA practice · Week 14 · Friday

    I can get ready to show what I know about comparing stories and word parts.

    Get ready! Think about the Cinderella stories you read.

    1. Name one thing that was the same in two stories.
    2. Name one thing that was different.
    3. What is a Venn diagram for?

    Write the answer.

    1. door + bell = ____
    2. she is = ____
    3. are not = ____
    How did it go? Great Okay Tricky

    Science practice · Week 14 · Friday

    I can show a problem in words and pictures.

    My Problem Brief.

    1. Problem:
    2. Criteria (what the fix must do):
    3. Constraints (limits):

    Draw the problem happening.

    1. Before picture:
    2. What did the interviews teach you that the test did not?
    How did it go? Great Okay Tricky