Divisibility Rules for 7

The video tutorial explains a method to determine if 6,146 is divisible by 7. It involves taking the last digit, multiplying it by two, and subtracting it from the rest of the number. This process is repeated until a known divisible number is reached, confirming that 6,146 is divisible by 7.

What is the first step in determining if 6,146 is divisible by 7?

• Add the last digit to the remaining number

• Multiply the entire number by 2

• Divide the number by 7 directly

• Multiply the last digit by two and subtract from the remaining number

After the first subtraction, what is the new number obtained?

• 146

• 12

• 56

• 62

What is the result of multiplying the last digit of 62 by two?

• 4

• 12

• 16

• 8

What number is known to be divisible by 7 in the process?

• 62

• 56

• 12

• 146

What multiplication confirms that 6,146 is divisible by 7?

• 878 * 6

• 878 * 7

• 614 * 6

• 614 * 7