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Third Grade Math Lesson: Determining Unknown Factors in Multiplication Problems, Exercises of Mathematics

A math lesson for third grade students focused on determining unknown factors in multiplication problems. The lesson includes standards, objectives, assessment methods, materials, procedure, and examples. Students will learn to use the proficiency scale as a self-assessment tool and practice solving multiplication problems with unknown factors.

Typology: Exercises

2021/2022

Uploaded on 09/27/2022

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Math Lesson
Name:
o Linsy Bowers
Grade Level:
o 3rd Grade
Focus:
o Determine unknown factors in multiplication problems.
Standards:
o 3.OA.4
Determine the unknown whole number in a multiplication or division equation relating three
whole numbers.
Objectives:
o The student will be able to determine an unknown number in a multiplication problem.
Assessment:
o Formative:
-Proficiency Scale: The students will use the proficiency scale as a self-assessment.
o Summative:
-Students will hand in their recording sheets from the unknown factor multiplication task cards
to help determine understanding and areas of confusion.
Materials:
o Computer
o Paper
o Pencil
o Paper
o Scissors
o Task Cards
o Recording Sheet
Procedure:
o Anticipatory Set:
-Students will watch this video.
https://youtu.be/l9T9TOW3oUs
We need your help!
pf3

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Math Lesson Name: o Linsy Bowers Grade Level: o 3 rd^ Grade Focus: o Determine unknown factors in multiplication problems. Standards: o 3.OA. Determine the unknown whole number in a multiplication or division equation relating three whole numbers. Objectives: o The student will be able to determine an unknown number in a multiplication problem. Assessment: o Formative:

  • Proficiency Scale: The students will use the proficiency scale as a self-assessment. o Summative:
  • Students will hand in their recording sheets from the unknown factor multiplication task cards to help determine understanding and areas of confusion. Materials: o Computer o Paper o Pencil o Paper o Scissors o Task Cards o Recording Sheet Procedure: o Anticipatory Set:
  • Students will watch this video.
  • https://youtu.be/l9T9TOW3oUs We need your help!

I have 12 candies. I want to share these candies with my nephew. I need to know how many candies each of us get. Can you help us solve our equation? o Direct Instruction (I do):

  • The students will watch this video.
    • https://youtu.be/ctCTuTXtV1I Introduce vocabulary words.
    • Unknown-not familiar with
    • Determine-to learn or find out something
    • Represent-to bring clearly to mind Explain to students the unknown in a multiplication problem (the factor to the problem). Explain to students the proficiency scale and how it will be used in this lesson.

Math 3rd^ Grade Proficiency Scale

4 I can also solve real world

problems using multiplication

and division

Standard:

3.OA.

I can:

- Use unknown numbers to

solve multiplication and

division problems.

2 Vocabulary:

- unknown

- determine

- represent

Skills:

- know how to multiply and

divide within 100

- know when to multiply and

divide in word problems

- use equations with

unknowns in multiplication

and division problems

1 With help

o Guided Practice (We do):

  • Let's look at one more problem!
  • Students will watch this video
    • https://youtu.be/7JVHHvTZDS Question: I have 24 beads. I want to share my beads with 4 of my friends. How many beads do each of my friends get?