Rounding Lesson Plan Grade 3 1.
[Pages:4]Rounding Lesson Plan Grade 3 Time Allotment: 3045 mins
Objectives:
1.Students will demonstrate their understanding of basic rounding knowledge to the base of ten by completing rounding structured activities. 2. Students will explain their reasoning when rounding to a base ten number by participating in a guided group discussion. 3. Students will distinguish which numbers on the number line will round up and which will round down.
Standards:
3.NBT.1. Use place value understanding to round whole numbers to the nearest 10 or 100. 3.OA.8 Solve twostep word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.
Materials: "The Lost Duck" Story ppt., SmartBoard, card game worksheets and 2 decks of playing cards, Smart Board number line technology and magnetic duck cutout, Rounding Chant Handout, rounding hundreds charts, exit slips.
Hook: Rounding Chant The teacher will put the "Rounding Chant" up on the Smart Board and pass out a copy to each student. Teacher will sing through the rounding chant once alone and then will invite all students to sing with the teacher a few times through. Afterwards, teacher will break down what was said in the rounding chant and make it clear that numbers 59 are rounded up and numbers 4 or less are rounded down the line.
Lesson: "The Lost Duck" An Introduction to Rounding
Activities: WorksheetJake Jumping GameDanielle Duck Number Line Nicole Card GameJen
Procedures:
1. The teacher will introduce the "The Lost Duck" and allow students to get comfortable so they can listen to the story. The teacher will read through the story aloud and allow students to respond to the questions in the story by raising their hands. The answers that the students give will be explained to the class by the teacher. Once the story is completed the teacher will show the last slide that has the number line on the path in the story. The teacher will model and explain how the number line can be used as the path. The teacher will then show the duck moving along the number line and the students will help round to the side of the path that makes the most sense. The teacher will integrate numbers into the discussion and will model at least 3 examples of rounding. After this discussion occurs, the teacher will then formally write down the rules of rounding on the board by drawing a number line and showing that numbers 14 round down to 0 and numbers 59 round up to ten. The teacher will conclude this portion of the lesson by asking if the students have any questions and they will repeat the Rounding Chant.
2. Count off students, moving clockwise. Jake introduces stations and breaks the students into groups. At this point the class will be instructed to put the tables together.
3. Stations: 3 minutes spent at each station for minilesson, regular lesson will vary between 5 and ten minutes depending on student achievement levels.
Station 1 Jumping on the Number Line (Danielle) Students will have to display their knowledge of rounding to the nearest tenth through participating in the number line activity. To avoid distraction between other stations the number activity will be taken place outside the classroom in the hall. There will be a number line from on the floor that contains index cards of increments of 10 between 0 to 100. Students will be handed a random index card with a number and must stand in between the appropriate numbers for their assigned number. For example: a student with an index card of the number "48" must stand between the numbers 40 and 50 on the number line. Students will then be asked to round and hop to the nearest tenth for their assigned number. For example the student with the number "48" will hop to 50 on the number line. The teacher will first model this activity to ensure the student's understanding of the directions. The teacher will also provide support and prompt as needed throughout the activity.
Station 2 (Nicole) Station two will be an interactive "Smart Exchange" using the classroom's SmartBoard Technology. The teacher has created a Duck Number Line based off of our interactive book where students can manipulate a number line to show their knowledge of rounding to the nearest tens place. The technology will give out a random number and the students have to decide which ten they should move the duck to. For example, if the student is given number 32 then they will have to put 30 at the low end of the number line and 40 at the high end of the number line. The student will have to move the duck to number 32 on the number line and then make the decision that 32 would have to be rounded down on the number line because it is closer to 30. The teacher will first model the activity to make sure the students understand how to manipulate the Smart Board. If the students are struggling to
move the numbers or the duck then the teacher will manipulate the board. The teacher will also be providing the support needed and guidance throughout the activity.
Station 3 Rounding Worksheets (Jake) Students will have worksheets that regard rounding. Each worksheet is differentiated per student. Students who are not very new to the concept will have a worksheet with basic rounding skills, students who are minimally familiar with rounding will have a worksheet that rounds to the tens place, and students that seem to have a bigger grasp can round to the hundreds place. Teacher will guide students as they do worksheet and oversee that the students are understanding the concept at hand. Students will count off in fours as they are put into four different groups. Each group of students will do a station for a period of time, between rotating to another station and working on a new worksheet involving rounding. The teacher will model the counting first before students do it.
Station 4 (Jen) Station four will be a rounding game that involves playing cards. This station will be set up prior to the students arriving at the station with the worksheet and 20 playing cards for every 2 students. The students will need to be split up into pairs of two. Once the students are split up, the teacher will read the directions on the worksheet and ask the students to follow along on their own worksheets. Once the directions have been explained the teacher will model the game two times and then ask if the students have any questions. The teacher will observe the students game while they are at the station and help where there are any confusions or questions.
4. Debrief: Teacher will review today's lesson through asking students what they have learned. Teacher will then follow up the lesson with an exit card slip that involves students receiving a number and rounding it to the nearest tenth on a cutout duck. Students will then be asked to share their exit slips to the class before the end of the lesson. Teacher will also state if this lesson were to be implemented in an actual classroom teacher will include all of the necessary accommodations, extensions and differentiation.
Evaluation An Exit Slip will be used to check for understanding when the lesson is completed. The teacher will also check for understanding through prompting questions and observing student participation during the lesson. The rounding worksheets will also be collected to assess student performance.
Differentiation Worksheets have different levels of difficulty for differentiation of students needs. There is also a specific type of activity for every type of student specifically the auditory learners, tactile (kinesthetic) learners, and visual learners The card game can be played with single digit numbers instead of double digit rounding. It can also be done with triple digit numbers
Accomodation
Number lines will be available for students who have trouble visualizing. Bold and enlarged print worksheets for students with visual impairments. Printout of story in english and first language for english language learners. Assisted oral instruction for students who are struggling readers.
Extension Have the students create their own rounding story and own rounding chant with partners in class. Include additional SmartBoard activities and interactive games for the students to practice their rounding skills.
Technology Connections:
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