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January 13, 2019

Making 10 to Add

Making 10 to Add is an important skill for our primary learners. 10 becomes a benchmark number which makes addition and subtraction a mental process. Initially, though, Making 10 to Add can be a tough skill. However, (Making 10 to Subtract is a tough skill, too. Snag resources for your classroom here or the Add/Subtract Bundle here.)

Scaffolding Making 10 to Add

As we are guiding students to 10, it must be a hands-on process. Students must be given hands-on opportunity to break apart numbers, redistribute their placement on ten frames, and create new equations. Then, we move students to the semi-concrete, drawing and illustrating the process. Finally, students use numbers and number bonds to show their thinking. If students struggle with the semi-concrete or abstract stages of Making 10, then we must move back to the concrete. Having a conceptual understanding of Making 10 is critical to a true mastery.

Concrete Representations

10-frame work mats offer students a variety of options for hands-on work with making 10. During the first days, I rely heavily on these mats. Students are repeatedly building, moving, and creating equations with counters and ten frames. Slip mats into a dry-erase sleeve and you are ready to go! Students must have hands-on experience with building, decomposing, and recomposing numbers.

Let’s Play with Making 10 to Add!

After students have multiple hands-on experiences, it’s time to practice through pay. Partner Up is a simple, fun way to practice a specific skills and those very-important social skills. As students find their partner ( i.e. 9 + 3 and 10 + 2 would be partners), students are greeting each other, making eye contact, and taking turns to speak. After students find their partner, they meet on the carpet or table with ten frames to model their problems.

Other games such as memory, Go Fish, Spin & Add, and Roll & Add all offer students repeated practice, as well as, transition easily into math centers. A win-win for all!

Write About It

Math Journal Prompts give students the opportunity to show and explain their math thinking. Initially scaffolding with sentence stems, with practice these prompts become independent activities. Once students can independently respond, these prompts become a great weekly math center.

Providing sentence frames can be the just-right support students need to be successful. These supports are intended to stay forever, rather the goal is for students to internalize these frames and then transfer them to their own work.


If my friends did not know how to solve _________, I would tell him to _________ (strategy) by _________. First he/she would need to _________. Then, he or she should _________. Finally, they would need to _________. This would give him/her the answer _________, so he/she would know _________ is the same as _________.

Wrapping It Up

Making 10 to Add is a touch, but critical, skill for students. It is centered around the idea that numbers can be composed and decomposed in a variety of ways. As mathematicians we must have the flexibility with numbers to choose the combinations that work best for the situation. This is what number sense is all about!

Purchase these Making 10 to Add resources for your classroom here. Purchase Making 10 to Subtract resources for your classroom here. Purchase the discounted BUNDLE here.

Join me for weekly classroom updates and free resources that are just-right for your guided math classroom!

Sweet! Thanks so much for joining me. Now check your email to confirm your address & snag your freebies. Happy Teaching! -Catherine

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Related Posts

  • Making 10 Centers, Mini-Lessons, & Online ToolsMaking 10 Centers, Mini-Lessons, & Online Tools
  • Number Talks: How and Why?Number Talks: How and Why?
  • Building Number Sense with RekenreksBuilding Number Sense with Rekenreks
  • Managing Math CentersManaging Math Centers

Filed Under: 1st Grade, Guided Math

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My name is Catherine Reed, and I am in Year 10 of my elementary life, residing in small-town, Kentucky.  I student taught in 1st grade and never ...

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Sweet! Thanks so much for joining me. Now check your email to confirm your address & snag your freebies. Happy Teaching! -Catherine

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