Understanding the 'a times a over B' Trick

The video introduces a number sense trick called the 'a times a over B trick' for quickly solving certain math problems in your head. The instructor explains the trick through examples, highlighting the importance of the 'magic number' derived from subtracting the numerator from the denominator. The video also discusses the limitations of the trick, noting that it doesn't work for all problems. Viewers are encouraged to practice using a linked workbook and to subscribe for more content.

What is the name of the trick introduced in the video?

• a times a over B

• b times b over A

• d times d over C

• c times c over D

What is the purpose of the video?

• To provide a history lesson

• To demonstrate a math trick

• To explain a science concept

• To teach a new language

What is the expected format of the answer in the problem challenge?

• Whole number

• Improper fraction

• Mixed fraction

• Decimal

What is the first step in the 'a times a over B' trick?

• Subtract the numerator from the denominator

• Add the numerator and denominator

• Multiply the numerator by the denominator

• Divide the numerator by the denominator

What is the magic number when the numerator is 11 and the denominator is 13?

• 3

• 2

• 1

• 4

What is the term used for the number obtained by subtracting the numerator from the denominator?

• Magic number

• Prime number

• Lucky number

• Key number

How do you calculate the whole number part of the answer?

• Add the magic number to a

• Divide a by the magic number

• Multiply the magic number by a

• Subtract the magic number from a

What is the final step in the trick after finding the whole number part?

• Multiply the whole number by the magic number

• Add the magic number to the whole number

• Determine the numerator and denominator

• Calculate the magic number

What is the result of 2 squared in the example?

• 5

• 4

• 3

• 2

What is the whole number part when a is 11 and the magic number is 2?

• 7

• 8

• 9

• 10