MISSING ADDEND - Addition & Subtraction Word Problems 1OA4

Grade Levels
K - 3rd
Formats Included
  • PDF (46 pages)
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Subtraction as Missing Addend Word / Story Problems

1OA4 Understand subtraction as an unknown-addend problem


Differentiated - Below Level, On Level, Advanced

  • Below Level - structured layout with built-in support (model, number sentence frames, etc.); numbers focus on basic facts
  • On Level - structured layout with less support; numbers go up to 20
  • Advanced - students are responsible for constructing all aspects; numbers go up to 100 and may require un-bundling (regrouping)

There are 10 different story problems included. FREEBIE in the PREVIEW!

Stop Scrolling! The clickable Table of Contents makes navigating to the desired problem set frustration free!

Answer Key included

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Total Pages
46 pages
Answer Key
Teaching Duration
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to see state-specific standards (only available in the US).
Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.
Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.


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