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Addition Fact Strategy Adding 9 Sample

Addition Fact Strategy Adding 9 Sample
Addition Fact Strategy Adding 9 Sample
Addition Fact Strategy Adding 9 Sample
Addition Fact Strategy Adding 9 Sample
Addition Fact Strategy Adding 9 Sample
Addition Fact Strategy Adding 9 Sample
Addition Fact Strategy Adding 9 Sample
Addition Fact Strategy Adding 9 Sample
Created ByJust Ask Judy
Resource Type
Format
PDF (6 MB|7 total; 5 usable)
Standards
  • Product Description
  • Standards

Here is a free sample from my 9 Rule Addition Fact Strategy resource. It is an introductory activity to help your first and second grade math students understand the concept underlying this strategy. As a prerequisite, your students need to be fluent with adding 10 to a single-digit number. I have included a work mat and equation cards, in color and black/ white. This introductory activity is concrete and requires multi-linking cubes (the ones that link on all sides), 2 sets of 10 in two different colors, for each participating student or pair of students.

These addition equations are covered in this resource:

9 + 4 9 + 5 9 + 6 9 + 7 9 + 8

4 + 9 5 + 9 6 + 9 7 + 9 8 + 9

This resource was crafted by Judy, a teacher with a master’s degree and more than 35 years of teaching experience.

This resource includes 5 usable pages:

  • 1 page teacher information
  • 1 page color open-ended cube mat
  • 1 page color equation cards
  • 1 page black/ white open-ended cube mat
  • 1 page black/ white equation cards

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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.
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).
Total Pages
7 total; 5 usable
Answer Key
N/A
Teaching Duration
N/A
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