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    Second Grade
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    Quarter 1Week 4FridayDay 20 of 180

    Week 4, Friday: Skip-count by 5s, 10s, and 100s from any starting · Retell a story and state its central message

    Day 20 · 3 lessons · 140 min

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    Math

    Students will skip-count by 5s, 10s, and 100s from any starting number and identify patterns on the number chart (2.NBT.A.2).

    Remember?

    3 quick questions from earlier weeks · about 3 minutes

    1. 14 − 9 = ? Facts to 20
    2. How many hundreds are in 300? Week 3
    3. In 957, what is the value of the 9? Week 1

    Standards Addressed

    2.NBT.A.2

    Activities

    10 min

    Warm-Up

    Around-the-room counting: alternate saying numbers counting by 5s from 275 to 325, then by 10s from 560 to 660, then by 100s from 150 to 950.

    15 min

    Review

    Student uses bags, bundles, and beans to show why counting by 10s from 380 goes 390, 400, 410 (trading 10 bundles for a bag at 400). Then colors a fresh hundreds chart by 5s and describes the two columns that appear.

    100-bean bags or paper flatsbundles of 10 craft sticksprinted hundreds chartcrayon
    15 min

    Weekly Assessment

    On paper, student (1) writes the next 5 numbers counting by 5s from 115, by 10s from 267, and by 100s from 340, (2) fills in missing numbers: 45, __, 55, __, 65 and 590, 600, __, __, 630, and (3) explains in one sentence what pattern the ones digits make when counting by 10s.

    paperpencil
    5 min

    Wrap-Up

    Reflect: 'Which count was hardest, crossing 100 or crossing 1000?' Preview: 'Next week we will read and write numbers all the way to 1000 in words and in pieces.'

    Materials Needed

    100-bean bags or paper flatsbundles of 10 craft sticksprinted hundreds chartcrayonpaperpencil

    Assessment

    Skip count from any starting number; identify patterns on the number chart

    Related Resources

    Math Worksheets (Weeks 1-4)Math Answer Key (Weeks 1-8)

    English Language Arts

    Retell a story and state its central message with support, publish an opinion piece, and read silent e and r-controlled words accurately (RL.2.2, W.2.1, RF.2.3a).

    Remember?

    3 quick questions from earlier weeks · about 3 minutes

    1. Which part of a story usually tells how the problem is solved? Week 3
    2. What do we call the people or animals in a story? Week 1
    3. Is 'jump' a noun or a verb? Grammar and spelling

    Standards Addressed

    RL.2.2W.2.1RF.2.3a+2 more

    Activities

    10 min

    Reading Celebration

    Flower-name party: each family member picks a flower name for the day and says why. Look back at last week's chair story: 'What was the lesson in A Chair for My Mother? Is it like any lesson from this week?'

    PaperCrayons
    15 min

    Reading Assessment

    Your child retells Chrysanthemum or Lilly's Purple Plastic Purse aloud in order, then writes the lesson in one sentence with one detail from the book that proves it.

    PaperPencilChrysanthemum by Kevin HenkesLilly's Purple Plastic Purse by Kevin Henkes
    15 min

    Publishing and Author's Chair

    Copy the opinion piece neatly with a title and a drawing of Chrysanthemum. From the Author's Chair, your child reads it; listeners say whether they agree and give one reason of their own.

    Writing folderClean paperCrayonsA special chair
    10 min

    Phonics Check

    Dictate ten words and score them: plane, smile, stone, flute, farm, storm, girl, turn, shark, first. Reteach any pattern missed during Monday's phonics.

    PaperPencil
    15 min

    Independent Reading

    Fifteen quiet minutes with a self-chosen book. Afterward your child tells you one lesson a character learned.

    Library books at your child's level

    Materials Needed

    PaperCrayonsPencilChrysanthemum by Kevin HenkesLilly's Purple Plastic Purse by Kevin HenkesWriting folderClean paperA special chairLibrary books at your child's level

    Assessment

    Oral retell in order plus a written central message with one supporting detail; published opinion piece with an opinion, two reasons using 'because,' and a closing; phonics check of 10 silent e and r-controlled words.

    Related Resources

    ELA Worksheets (Weeks 1-4)ELA Answer Key (Weeks 1-8)

    Science

    Students will conclude that some changes caused by heating, cooling or mixing can be reversed and others cannot, and make no-bake play dough to see a change they cause on purpose (2-PS1-4).

    Standards Addressed

    2-PS1-4

    Activities

    10 min

    Drawing Conclusions

    Make a two-column poster titled Reversible and Irreversible. Your child draws or writes every change from this week (ice, crumpled paper, cut paper, sugar water, banana, fizz, egg) in the correct column. Ask, 'What rule could you tell a friend for deciding which column a change belongs in?'

    15 min

    Extension: No-Bake Play Dough

    Mix 1 cup flour, a half cup salt, a half cup water and a few drops of food coloring in a bowl. Your child kneads it and asks the week's question: 'Can I get the flour and salt back?' Then shape it, squash it and reshape it, and ask, 'Is squashing reversible?' Store in a bag for Week 6.

    1 cup flourhalf cup salthalf cup waterfood coloringbowlzip bag
    5 min

    Week Reflection

    Ask, 'Last week heat melted things. This week we found changes heat cannot undo. Which change surprised you most?' Write the answer on the back of the poster.

    Materials Needed

    large papercrayons or markersfloursaltwaterfood coloringbowlzip bag

    Related Resources

    Science Worksheets (Weeks 1-4)Science Answer Key (Weeks 1-4)

    Today's Practice

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

    Math practice · Week 4 · Friday

    I can show what I learned in the first four weeks.

    Get ready! Solve each one.

    1. What is the 5 worth in 452?
    2. Write 609 in expanded form.
    3. Write >, < or =: 538 ____ 583
    4. Write the number: 8 hundreds, 1 ten, 6 ones
    5. How many tens are in 100?

    Draw a picture. Write the answer.

    1. Ben has 4 nickels. How many cents does he have?

    Challenge

    • What number is 10 more than 395?
    How did it go? Great Okay Tricky

    ELA practice · Week 4 · Friday

    I can write my opinion with a reason.

    Get ready! Circle the opinion.

    1. Which one is an opinion?Summer is the best season.Summer comes after spring.
    2. Which word glues an opinion to its reason?becausetheand

    Get your opinion piece ready to share.

    1. I think ____.
    2. One reason is ____ because ____.
    3. That is why I think ____.
    How did it go? Great Okay Tricky

    Science practice · Week 4 · Friday

    I can sort changes into reversible and irreversible.

    Write or draw every change from this week in the right column.

    ReversibleIrreversible
    1. My rule: A change is irreversible when ____.

    Make play dough. Then answer.

    1. Can you get the flour and salt back out of the dough?YesNo
    2. Is squashing the dough and shaping it again reversible?YesNo
    3. Which change this week surprised you most?

    You need: 1 cup flour, half a cup of salt, half a cup of water, food coloring, a bowl

    How did it go? Great Okay Tricky