Curious Calculation Processes

Curious Calculation Processes

Assessment

Interactive Video

Mathematics, English, Science

5th - 8th Grade

Hard

Created by

Ethan Morris

FREE Resource

The video tutorial demonstrates a curious calculation where any counting number, when doubled, added by six, divided by two, and then subtracted by the original number, results in three. The process is illustrated with examples using the numbers 19 and 352. The video concludes by stating that this result is consistent for any counting number and invites viewers to see the description for a proof.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in the curious calculation process?

Select any counting number

Add six to the number

Double the number

Divide the number by two

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After selecting a number, what is the next operation performed?

Subtract the original number

Add six to the number

Divide the number by two

Double the number

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result after adding six to the doubled number 352?

22

704

710

355

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operation is performed after dividing the number by two?

Add six to the number

Subtract the original number

Double the number

Select a new counting number

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final result of the calculation process, regardless of the starting number?

Five

Four

Two

Three