Dividing a Necklace with Jewels

Dividing a Necklace with Jewels

Assessment

Interactive Video

Mathematics, Science, Fun

6th - 10th Grade

Hard

CCSS
6.EE.B.6, 1.NBT.A.1, 4.NBT.B.6

Standards-aligned

Created by

Aiden Montgomery

FREE Resource

Standards-aligned

CCSS.6.EE.B.6
,
CCSS.1.NBT.A.1
,
CCSS.4.NBT.B.6
The video tutorial presents a problem where two friends must divide a necklace with various jewels (sapphires, emeralds, diamonds, and rubies) using the fewest cuts possible. The goal is to ensure each person receives half of each jewel type. An example is provided where the problem is solved with four cuts, and it is claimed that for n different jewel types, a fair division can always be achieved with n or fewer cuts.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What types of jewels are mentioned in the problem of dividing the necklace?

Gold, Silver, Pearls, Opals

Sapphires, Emeralds, Diamonds, Rubies

Quartz, Jade, Turquoise, Lapis

Amethysts, Topaz, Garnets, Onyx

Tags

CCSS.1.NBT.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many sapphires are there on the necklace?

Eight

Ten

Four

Six

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example given, how many cuts are made to divide the necklace?

Four

Two

Three

Five

Tags

CCSS.4.NBT.B.6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of the division in the example provided?

Each person gets five sapphires, six emeralds, three diamonds, and four rubies

Each person gets two sapphires, three emeralds, one diamond, and two rubies

Each person gets four sapphires, five emeralds, two diamonds, and three rubies

Each person gets three sapphires, four emeralds, two diamonds, and two rubies

Tags

CCSS.6.EE.B.6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the theoretical claim, how many cuts are needed for n different jewel types?

2n cuts

n - 1 cuts

n + 1 cuts

n cuts or fewer

Tags

CCSS.6.EE.B.6