Prime and Composite Numbers: A Math Sort

Grade Levels
4th - 6th
Standards
Formats Included
  • PDF
Pages
10 pages
$3.00
$3.00
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Description

Are you familiar with concept sorts? Many people use "sorts" with their spelling or word work programs, but sorting and categorizing can be extremely effective learning strategies for MANY areas--including prime and composite numbers!

I have found sorts to be particularly effective in my math instruction, and I am excited to begin offering some of these sorts to you! If you are unfamiliar with how sorts are used, I have included a full blog post with photos to help get you started!

So...what's included in THIS resource?

  • The cards needed to do ONE concept sort on prime and composite numbers. This is a perfect extension lesson or replacement for a more computation based lesson in a textbook! The cards for one sort are included--and the headers to sort them two different ways.

  • A blog post with photos that explains EXACTLY how I completed a different sort with my own students. Feel free to get creative and try different approaches—but I have given one highly effective and efficient way to do this.

  • A “Show What You Know” sheet that follows the rule of the sort. Use as independent practice or as an assessment after you have done a sort to see what the students know and what they still need to learn. Many of these also ask students to explain their thinking—a key part of the CCSS!

  • A page of blank cards if you wish to extend the learning by having students create MORE examples that go in each category. This is a great way to differentiate for more capable learners! See each sort for other differentiation hints!

  • No answer key. Why? The important part about doing these sorts is the discussion rather than making sure every answer is instantly correct. Let the students discuss, prove their ideas, and develop understanding!

You may be familiar with my concept sort SETS which each include FIVE different sorts on a topic…from fractions to multiplication to algebra thinking to geometry. These “single sorts” are NOT the same sorts that are included in the sort sets…they are additional sorts that might meet the needs of your students.

I hope you find the resource thorough, relevant, and engaging--and that it will push your students to increase the depth of their understanding and their mathematical practices as well.

WANT TO TRY SOME OTHER SORTS?


Fraction Concepts

Angle Studies

Geometry Sorts

Multiplication Concepts

Algebra Thinking Concepts

A Bundle of ALL FIVE!

All the sorts in my store can be found by CLICKING HERE

All rights reserved by ©The Teacher Studio. Purchase of this problem set entitles the purchaser the right to reproduce the pages in limited quantities for single classroom use only. Duplication for an entire school, an entire school system, or commercial purposes is strictly forbidden without written permission from the author at fourthgradestudio@gmail.com. Additional licenses are available at a reduced price.

Total Pages
10 pages
Answer Key
N/A
Teaching Duration
N/A
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Standards

to see state-specific standards (only available in the US).
Construct viable arguments and critique the reasoning of others. Mathematically proficient students understand and use stated assumptions, definitions, and previously established results in constructing arguments. They make conjectures and build a logical progression of statements to explore the truth of their conjectures. They are able to analyze situations by breaking them into cases, and can recognize and use counterexamples. They justify their conclusions, communicate them to others, and respond to the arguments of others. They reason inductively about data, making plausible arguments that take into account the context from which the data arose. Mathematically proficient students are also able to compare the effectiveness of two plausible arguments, distinguish correct logic or reasoning from that which is flawed, and-if there is a flaw in an argument-explain what it is. Elementary students can construct arguments using concrete referents such as objects, drawings, diagrams, and actions. Such arguments can make sense and be correct, even though they are not generalized or made formal until later grades. Later, students learn to determine domains to which an argument applies. Students at all grades can listen or read the arguments of others, decide whether they make sense, and ask useful questions to clarify or improve the arguments.
Make sense of problems and persevere in solving them. Mathematically proficient students start by explaining to themselves the meaning of a problem and looking for entry points to its solution. They analyze givens, constraints, relationships, and goals. They make conjectures about the form and meaning of the solution and plan a solution pathway rather than simply jumping into a solution attempt. They consider analogous problems, and try special cases and simpler forms of the original problem in order to gain insight into its solution. They monitor and evaluate their progress and change course if necessary. Older students might, depending on the context of the problem, transform algebraic expressions or change the viewing window on their graphing calculator to get the information they need. Mathematically proficient students can explain correspondences between equations, verbal descriptions, tables, and graphs or draw diagrams of important features and relationships, graph data, and search for regularity or trends. Younger students might rely on using concrete objects or pictures to help conceptualize and solve a problem. Mathematically proficient students check their answers to problems using a different method, and they continually ask themselves, "Does this make sense?" They can understand the approaches of others to solving complex problems and identify correspondences between different approaches.
Find all factor pairs for a whole number in the range 1-100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1-100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1-100 is prime or composite.

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