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Prime or Composite? task cards + printables (set b) - Common Core Math-aligned

Rogue Algorithm
Grade Levels
Formats Included
  • PDF
15 pages
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Rogue Algorithm


Help your students solidify their understanding of prime and composite numbers, as well as practice applying mathematical vocabulary "sum," "difference," and "quotient" with this set of task cards and printables.

This set is a follow-up to Prime or Composite?: Set A –

Prime or Composite? task cards + printables (set a) - Common Core Math-aligned

The journal insert, task cards, and printables in this set are unique, so if you purchased (or want to purchase) Prime or Composite?: Set A, the materials in this set are not a repeat of any of the materials in the first set.

Math Common Core State Standards addressed –
4.OA.4 – Determine whether a given whole number in the range 1-100 is prime or composite.

Included in this product are:
• student journal insert (two versions: color and black & white)
• 32 task cards
• student answer sheet
• answer key
• prime & composite activity sheet (two-sided)
• scoring guide for activity sheet

Use the graphic reference sheet, sized to fit in a standard journal, to introduce or review the terms of "sum," "difference," and "quotient." Then, have your students work in pairs, small groups, or even on their own to work through the 32 task cards. [This set of cards is also perfect for a quick game of Scoot!]

As the kids work on the cards, they will examine pairs of numbers, determine the sum, difference, or quotient (depending on the card), and then decide if that sum, difference, or quotient is prime or composite. The cartoon numbers on the cards reinforce which one-digit numbers are prime and which are composite. The cards will also help address the common misconceptions that 1 is a prime number and that all odd numbers are prime - misunderstandings that I notice in my own students year after year.

Once the students have practiced with the task cards, use the included 2-page task to assess your students' ability to apply their knowledge of the terms "sum," "difference," and "quotient" when distinguishing between prime and composite numbers.

For more practice with prime/composite numbers, check out these related resources –

Prime and Composite Numbers 100s Charts and Posters
Prime or Composite? task cards + printables (set a) - Common Core Math-aligned

The posters and charts are also available in a bundle with both sets of task cards and printables –

Prime or Composite? resource bundle - posters, charts, task cards, printables

I hope your kids enjoy these resources! Dennis McDonald
Total Pages
15 pages
Answer Key
Teaching Duration
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