Curious Calculation Process Steps

Curious Calculation Process Steps

Assessment

Interactive Video

Mathematics, English, Science

4th - 8th Grade

Hard

Created by

Jackson Turner

FREE Resource

The video tutorial presents a mathematical trick where a series of operations on any whole number results in the number eight. The steps include subtracting one, multiplying by three, adding twelve, dividing by three, adding five, and finally subtracting the original number. The video concludes by stating that this trick works with any integer, not just numbers between one and one thousand, and provides a link 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?

Add twelve to the number

Subtract one from the number

Multiply the number by three

Think of a whole number between one and one thousand

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After subtracting one from your chosen number, what is the next step?

Add five to the result

Subtract the original number

Multiply the result by three

Divide the result by three

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do you do after adding twelve to the result?

Divide the result by three

Subtract the original number

Multiply the result by three

Add five to the result

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final step in the calculation process?

Divide the result by three

Subtract the original number from the result

Multiply the result by three

Add five to the result

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the consistent result of this calculation process?

Five

Eight

Twelve

Twenty