Decomposition of Numbers (Entomology Themed) Worksheets

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This premium worksheet bundle contains 10 activities to challenge your students and help them understand Decomposition of Numbers.

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Decomposing numbers means to break down numbers into their sub-parts. The first step is to decompose numbers by their place value and the second step is to show how any number can be created using a variety of addends. 



  1. For example, we can decompose 16 into set of tens and ones. Thus, 16 is now split into 10 and 6.
  2. Using the other method, we can use variety of addends to decompose the number. For example, there are many ways to decompose the number 16, we can have 2 and 14, 5 and 11, 8 and 8, 15 and 1, and etc.

Decomposition of Numbers (Entomology Themed) Worksheet

This is a fantastic bundle which includes everything you need to know about Decomposition of Numbers across 21 in-depth pages. These are ready-to-use Common core aligned 1st and 2nd Grade Math worksheets.

Each ready to use worksheet collection includes 10 activities and an answer guide. Not teaching common core standards? Don’t worry! All our worksheets are completely editable so can be tailored for your curriculum and target audience.

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Worksheets Activities Included

Ages 5-6 (Basic)

  • Hop! Hop! Hop!
  • Where is my path?
  • Bee-Wise
  • Pollination
  • Stay Away from Me

Ages 6-7 (Advanced)

  • Way to the Queen
  • Hatchy Matchy
  • Gleam, Glow, and Glare
  • The Weavers
  • Please Help Me! I’m Hungry