Addition Fact Strategy Adding 8

This is a set of resources to help you introduce and teach The 8 Rule (adding 8) addition fact strategy. It is a perfect pack of materials 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 and counting back 2 from a given number. They should also be familiar with The 9 Rule addition fact strategy. The introductory activities are concrete and require 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. There are additional activities with manipulatives, pictures or equations to develop familiarity with the equations underlying this strategy. This set of activities is based on making a ten by subtracting two from the other addend. I have included color and black/ gray/ white options.

Check out a free sample from this resource!

These addition equations are covered in this resource:

• 8 + 4
• 8 + 5
• 8 + 6
• 8 + 7
• 4 + 8
• 5 + 8
• 6 + 8
• 7 + 8

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

This resource includes 44 usable pages:

• 3 pages teacher information
• 1 page color open-ended cube mat
• 1 page color equation cards
• 8 pages color equation cube mats
• 4 pages color number strips/ rods
• 2 pages color matching cube cards
• 2 pages color matching equation cards
• 1 page black/ white open-ended cube mat
• 1 page black/ white equation cards
• 8 pages black/ gray/ white equation cube mats
• 4 pages black/ gray/ white number strips/ rods
• 2 pages black/ white matching cube cards
• 2 pages black/ white matching equation cards
• 3 pages recording sheets (matching cube cards, matching equation cards)
• 2 worksheets

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Addition Fact Strategy Applying The 8 Rule

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