Decompose Numbers to 10

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Printable Decompose Numbers Worksheets for Kindergarten:
Decomposing Numbers up to 5
Decomposing Numbers up to 6
Decomposing Numbers up to 7
Decomposing Numbers up to 8
Decomposing Numbers up to 9
Decomposing Numbers up to 10

Decompose and Compose Numbers to 10

Decomposing and composing numbers up to 10 involves breaking down numbers into smaller parts (decomposing) and combining smaller parts to form a whole (composing).

  1. Choose a number (e.g., 10) and demonstrate how to decompose it using the counters. For example, show 10 counters and explain that you can split them into two groups: 5 counters and 4 counters.
  2. Let the students practice decomposing numbers with their own sets of counters. Encourage them to try different ways of splitting the counters to represent the given number.
  3. Now, introduce the concept of composing by combining counters to form a given number. For example, start with 7 counters and add 2 more to make 10.
  4. Have the students represent their decompositions and compositions on paper or the whiteboard by drawing the objects.
  5. Introduce simple number sentences by writing equations. For example, 6 + 3 = 10
  6. Discuss the different ways students decomposed and composed numbers. Emphasize that numbers can be represented in various ways.

Click on the following worksheet to get a printable pdf document.
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Decompose Numbers to 10 worksheet for kindergarten

More Decompose Numbers to 10 Worksheets

Decompose Numbers to 10 Worksheet #1
Decompose Numbers to 10 Worksheet #2
Decompose Numbers to 10 Worksheet #3

Have a look at the following lesson if you need review how to decompose/compose numbers to 10.
Decompose/compose numbers to 10

Adding Objects
Subtracting Objects

Addition up to 5
Subtraction within 5
Addition & Subtraction within 5

More Printable Worksheets

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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