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Determine the Prime Factorization of Numbers

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Determine the Prime Factorization of Numbers

TEKS Math: 5.4.A

(A) Identify prime and composite numbers

AU Math: ACMNA122

(Y6) Identify and describe properties of prime, composite, square and triangular numbers (ACMNA122)

CCSS Math: 5.OA.2.1

5.OA.2.1. Express a whole number in the range 2-50 as a product of its prime factors. For example, find the prime factors of 24 and express 24 as 2 × 2 × 2 × 3.

This number sense lesson focuses on determining the prime factorization of numbers. The lesson includes research-based strategies and strategic questions that prepare students for assessments. In this lesson, students determine the prime factorization of the number using a factorization tree, factoring all composite numbers until they are prime. Finally, they write the prime factorization using exponents if necessary and checking and interpreting the answer. In addition to the lesson, there are twelve pages of Independent Practice and review with questions modeled after current adaptive testing items.

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Grades:
5
Subjects:
Math
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Standard Alignments:

TEKS Math: 5.4.A

(A) Identify prime and composite numbers

AU Math: ACMNA122

(Y6) Identify and describe properties of prime, composite, square and triangular numbers (ACMNA122)

CCSS Math: 5.OA.2.1

5.OA.2.1. Express a whole number in the range 2-50 as a product of its prime factors. For example, find the prime factors of 24 and express 24 as 2 × 2 × 2 × 3.

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Grade 5 Summer School

Grade 6 Summer School

Teach Fullscreen

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Grades:
5
Subjects:
Math
Rating:

Student Handout

Download Student Handout

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Determine the Prime Factorization of Numbers

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