Teaching double digit addition using homemade base ten manipulatives

Materials needed

• Base 10 Manipulatives
• Extra pony beads and pipe cleaner pieces
• Dry-erase board
• Dry-Erase Markers

Set up

Use the dry-erase markers to write a double digit addition problem on your white board.

Show your child how to use your Base 10 Manipulatives and extra pony beads to represent each double digit number in your addition problem.

Explain that it is necessary to start by adding the one’s column. Add up the single pony beads together. If they add up to 10 or more, have your child use the extra pipe cleaner pieces and slide the pony beads onto it to create a new group of 10. This is a great visual to help them understand what is happening when we carry that one!

Now have your child count the remaining single pony beads up and write that number in the one’s column of the answer. Count by 10’s to add up the number that should go in the 10’s place of the answer.

Create several more problems for your child to solve in this method. Sliding the beads onto the pipe cleaners not only gives them a great visual for the math problem, but it’s also fun and great for fine motor skills, too!

Extensions

• Use the Base 10 Manipulatives and loose pony beads to represent a double digit number and have your child figure out what the number is and write it down on the white board.
• Let your child create a few addition problems for you to solve using the manipulatives. Being able to “be the teacher” not only gives them a sense of confidence, but also reinforces what they have learned.
• When your child is ready, use the manipulatives to teach double digit subtraction.

Using Base 10 Manipulatives makes math more fun, and will help your child better understand what is happening in the problem.

If you liked this hands-on math idea, you might want to check out our Subtraction Squish and Nerf Gun Math.

Christina blogs at There’s Just One Mommy, where she shares her homeschooling adventures through crafts and learning activities you can easily do at home. Be sure to subscribe to her newsletter for more hands-on learning activities the kids will love.

 

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