Fastest way to multiply by six

Fastest way to multiply by six

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial introduces the Tranberg system for multiplying by 6, which simplifies the process by using a set of rules. The system eliminates the need to memorize multiplication tables by adding half of the neighbor and five if the number is odd. The tutorial provides step-by-step examples for both even and odd numbers, demonstrating how to apply the rules to achieve accurate results. The video concludes with a summary of the key points and encourages viewers to practice the method for faster calculations.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary goal of the Tranberg system?

To memorize multiplication tables

To improve addition skills

To eliminate the need to memorize multiplication tables

To simplify division by 6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Tranberg system, what should you do if a number is odd?

Multiply by two

Add five

Subtract five

Add ten

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in the Tranberg system when multiplying by 6?

Subtract half of the neighbor

Drop down the first digit

Add five to the number

Multiply the number by 2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When applying the Tranberg system to larger numbers, why is it helpful to place a zero in front?

To change the value of the number

To remind us that the first digit is a neighbor of zero

To make the number even

To simplify subtraction

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Tranberg system, what should you do if there is no neighbor for a digit?

Multiply by six

Drop down the digit

Add five

Add zero

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How should you handle taking half of an odd number in the Tranberg system?

Round up

Double the number

Ignore the number

Round down

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying 152 by 6 using the Tranberg system?

1520

912

9120

1452