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Mastering Addition with Ten Frames and Counters

Today, you will use a double ten frame mat, counters, and your math journal to explore addition. Begin by modeling numbers on your ten frame using counters. Observe how quickly you can identify the number of counters (e.g., 8). Then, practice adding two numbers together using your models (e.g., 8 + 5). What strategies can you share with a partner? Complete number sentences and drawings for various addition problems. Finally, write clear, numbered instructions for a friend struggling with addition facts like adding 8 or 9.

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Mastering Addition with Ten Frames and Counters

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Presentation Transcript

  1. Today you will need: • a double ten frame mat • counters • your math journal

  2. Use counters to make a model of this tenframe on your mat. Look at this tenframe. How many do you see? How did you see 8 so quickly?

  3. Use counters to make a model of this tenframe. How many do you see on the other tenframe? 8

  4. What if we wanted to ADD these two numbers together? 8 + 5

  5. 8 5 + • Use your models to add these     numbers together. • What is the sum of these two     numbers? • Share with a partner how you     combined the two numbers.

  6. One way to think about this might be: Make ten

  7. One way to think about this might be: Ten And 3 more... 13

  8. Look at the facts in these boxes. You can draw more counters to help you complete the number sentences. You could also use counters to make models of these pictures.

  9. Make models and/or drawings to find these sums. 3 + 9 6 + 8 8 + 7 9 + 4 6 + 9 5 + 9

  10. Helping a friend... Pretend that a friend is having a hard time remembering addition facts That add 8 or add 9. Write instructions for your friend so that he or she can figure these facts out when they are having a tough time remembering.

  11. Your instructions must make sense so... • It might be a good idea to: • number your steps • illustrate your instructions • give your instructions to a classmate to try and follow

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