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Subtraction within 20

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Grade Levels
K - 2nd, Homeschool
Subjects
Resource Type
Standards
Formats Included
  • PDF
Pages
14 pages
$3.00
$3.00
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Description

Scientific themes: Each worksheet set has a different scientific theme with several unsolved terms.

Themes include animals, biomes, body systems, continents, and planets.

This worksheet set reviews subtraction up to 30. The theme for this worksheet set is body systems. Once students have solved the mystery terms, educators are encouraged to plan a class trip to the school or local library. Students should research at least one term from the options provided.

Kindergarten through Grade 1 learners benefit most from these worksheets.

Aligned with Grade 1 Common Core standards for mathematics.

Aligned with Grade 4 Common Core standards for ELA.

This short research project for students incorporates mathematics, writing, and science.

Activities include:

  • Fill-in-the-blanks
  • Nonfiction research activity
  • Illustration and description of one scientific term

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Total Pages
14 pages
Answer Key
Included
Teaching Duration
1 month
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Standards

to see state-specific standards (only available in the US).
Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
Write informative/explanatory texts to examine and convey complex ideas and information clearly and accurately through the effective selection, organization, and analysis of content.
Use technology, including the Internet, to produce and publish writing and to interact and collaborate with others.

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