Factor Trees (Factoring Numbers)
The Factor Trees Gizmo has two modes. In Factor mode, you can create factor trees to factor composite numbers into primes. In Build mode, you can build numbers by multiplying primes together. Can you build all composite numbers up to 50? Any whole composite number up to 999 can be factored or built with the Gizmo.
Launch GizmoFactor Trees (Factoring Numbers)
The Factor Trees Gizmo has two modes. In Factor mode, you can create factor trees to factor composite numbers into primes. In Build mode, you can build numbers by multiplying primes together. Can you build all composite numbers up to 50? Any whole composite number up to 999 can be factored or built with the Gizmo.
5 Minute Preview
Use for 5 minutes a day.
LEARNING OBJECTIVES:
- Understand that some numbers, called prime numbers, have only two factors - one and themselves.
- Understand that other numbers, called composite numbers, have multiple prime factors.
- Factor composite numbers into prime numbers.
- Build composite numbers by multiplying primes.
- Use factors to understand multiples and divisibility.
VOCABULARY:
- composite number, divisible, factor, factor tree, multiple, prime factorization, prime number, product
LESSON MATERIALS:
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User Lesson Materials (showing 5 of 6):
Vocabulario: A´rboles de Factores
Vocabulario en español.
Best For:
5th Grade, 6th Grade, 7th Grade Math
Ejercicio Práctico del Alumno: A´rboles de Factores
Ejercicio Práctico del Alumno en español.
Best For:
5th Grade, 6th Grade, 7th Grade Math
Quick Assessment of Vocabulary
Use the attached item to quickly assess student understanding of the Gizmo's vocabulary.
Best For:
5th Grade, 6th Grade, 7th Grade Math
Seatwork
This is for whole class instruction. It helps introduce the terms, Prime and Composite. It is a revised... (more) copy of Elsie's.
Best For:
5th Grade, 6th Grade, 7th Grade Math
Seat Work for Whole Class Instruction: Factor Trees, Gr. 4 (multiplication only)
This is a customized student exploration sheet to be used as “seat work” when the Gizmo is presented for ... (more)whole class instruction. Suggestion: Review the Gizmo’s Teacher Guide and original Student Exploration Sheet to determine which parts of the Gizmo lesson need to be modeled by the teacher.
Best For:
5th Grade, 6th Grade, 7th Grade Math
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User Recommendations (showing 5 of 15):
Learn how to create a factor tree to find the prime factorization.
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Great Practice for Prime Factorization
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