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1. How many matchsticks would be used to make figure 10?

1. How many matchsticks would be used to make figure 10?. 2A. How many small triangles are needed to make Figure 4?. 2B. How many small triangles are needed to make Figure 7?. 2C. How many small triangles are needed to make Figure 50?.

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1. How many matchsticks would be used to make figure 10?

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  1. 1. How many matchsticks would be used to make figure 10?

  2. 2A. How many small triangles are needed to make Figure 4?

  3. 2B. How many small triangles are needed to make Figure 7?

  4. 2C. How many small triangles are needed to make Figure 50?

  5. 3A. Draw a seating arrangement if 5 square tables are lined up end to end.

  6. 3B. Explain what 2 could represent in the expression 5+5+2 people.

  7. 3C. Determine the number of people who can be seated at 15 tables.

  8. 3D. Write a formula that counts the number of people that can be seated at n tables.

  9. 4. Determine the number of dots in Step 20 without drawing the picture.

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