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Photo Album Pages: Factors, Multiples, and Primes worksheet preview

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Photo Album Pages: Factors, Multiples, and Primes

Grade 4 photo album practice: find factor pairs from photo arrays, count factors, find common multiples, and sort numbers as prime or composite.

Grade 4MathInteractive · Printable

Aligned to4.OA.B.4

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What’s included

  • Single worksheet
  • Auto-graded online
  • 1 Common Core standard
  • Printable answer key
  • 13 questions
  • Classroom-ready

Details

Format
Interactive · Printable
Grade
Grade 4
Subject
Math
Question types
Fill in the blank, Multiple choice, Matching, Circle the answer, Sorting, Short answer

About this worksheet

What students practice

  • Students find factor pairs and count the factors of whole numbers up to 100.
  • Students recognize multiples of one-digit numbers and find a common multiple.
  • Students decide whether a number up to 100 is prime or composite.

How to use

Give students square tiles to build photo arrays for the first section. Use the last question to discuss what makes a number prime.

Curriculum

Common Core standard covered

4.OA.B.4

Find factor pairs and multiples for numbers 1 to 100 and decide whether a number is prime or composite.

Preview

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Name Date

Photo Album Pages: Factors, Multiples, and Primes

Arrange photos in equal rows to explore factors and multiples.

Arrange the Photos

Photos go on album pages in equal rows. Use factor pairs to solve.

1.
Leah put 24 photos on a page in this array. Which factor pair of 24 does the array show?
  • A. 3 and 8
  • B. 2 and 12
  • C. 4 and 5
  • D. 4 and 6
2.
Omar has 42 photos. He puts 6 photos on each page and fills every page.

6 ×   = 42, so Omar fills   pages.

3.
Mr. Delgado has 36 class photos. He wants to put them in a rectangle array. A 4 × 9 array and a 9 × 4 array count as the same factor pair.

How many different factor pairs does 36 have?  

The preview shows the first questions. Unlock the worksheet to see all of it.

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