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1.2-1.3

1.2-1.3

Assessment

Presentation

•

Mathematics

•

9th Grade

•

Practice Problem

•

Hard

Created by

Joedi Coleman

FREE Resource

7 Slides • 9 Questions

1

Haruko's Hexagons

Learning Targets

  • Recognize scenarios with a common difference between terms as arithmetic sequences.

  • Describe arithmetic sequences with pictures, tables, words, and graphs.

2

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4

Open Ended

Tanya says that to make 10 hexagons you would need 60 toothpicks. How do you think Tanya came up with this answer? Is she correct? Explain.

5

Math Response

If Haruko has a total of 71 toothpicks, how many hexagons can he make?

Type answer here
Deg°
Rad

6

Math Response

Can you come up with a rule for how many toothpicks are needed to make x hexagons?

Type answer here
Deg°
Rad

7

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8

Who's Sitting Where?

Learning Targets

  • Look for and make use of structure.

  • Use an identified recursive or explicit pattern to extend the pattern to other values.

  • Begin to make generalizations using language such as always, every time, the pattern is, the rule is, any number, for all numbers, etc.

9

Math Response

How many different ways can Allora and Bianca be seated with their two tickets?

Type answer here
Deg°
Rad

10

Math Response

The following week they go to the movies again but this time with their friend Coleman. How many different ways can they seat themselves in their three ticketed seats?

Type answer here
Deg°
Rad

11

Math Response

Suppose that their friend Dalman also came along. a. If Allora insists on sitting in the leftmost seat, how many ways can the group of four be seated?

Type answer here
Deg°
Rad

12

Math Response

Suppose that their friend Dalman also came along.

What if Bianca sat in the leftmost seat? How many ways are there for them to sit?

Type answer here
Deg°
Rad

13

Math Response

How many different ways are there in total for the four friends to be seated?

Type answer here
Deg°
Rad

14

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15

Math Response

There are 5,040 ways for a group of 7 people to be seated. How many ways could a group of 8 be seated?

Type answer here
Deg°
Rad

16

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pattern-tertiary
Haruko's Hexagons

Learning Targets

  • Recognize scenarios with a common difference between terms as arithmetic sequences.

  • Describe arithmetic sequences with pictures, tables, words, and graphs.

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