Question

You’ve just been trick-or-treating and snagged a big bar of chocolate! The bar is eight pieces high and nine pieces long. Can you work out how many times you have to break the bar so that it is separated into individual squares?

71

49

63

72

Answer 1

        This is a tricky question.          First you have to break the whole bar horizontally 7 times ( because it is 8 pieces high ). After that you will have 8 rows of chocolate with 9 pieces each.   Then you will have to break each row 8 times.        Finally you will have individual squares.        So : 7 +  8 * 8 = 7 + 64 = 71       Answer: A ) 71.

Answer 2

The bar of chocolate should be broken $\boxed{\bf 71\text{\bf\ times}}$, so that it is separated into individual squares.

Further explanation:

Given that the bar of chocolate is eight pieces high and nine pieces long.

First break the chocolate horizontally $7\text{ times}$ since, it is eight pieces high.

Now, the broken piece of chocolate is divided into nine single strips of eight pieces each.

Each nine single strip is broken $8\text{ times}$.

Therefore, total number of times the chocolate bar is broken is calculated as follows:

$\begin{aligned}\text{Total number of times}&=7+(8\cdot 8)\\&=7+64\\&=71\end{aliogned}$

Thus, $71\text{ times}$ the bar of chocolate is broken so that it is separated into individual squares.

Now, break the chocolate vertically $8\text{ times}$ since, it is nine pieces long.

Now, the broken piece of chocolate is divided into nine single strips of nine pieces each.

Each nine single strip is broken $7\text{ times}$.

Therefore, total number of times the chocolate bar is broken is calculated as follows:

$\begin{aligned}\text{Total number of times}&=8+(9\cdot 7)\\&=8+63\\&=71\end{aliogned}$

Thus, $71\text{ times}$ the bar of chocolate is broken so that it is separated into individual squares.

Learn more:

1. Learn more about numbers https://brainly.com/question/4736384

2. Learn about place value chart https://brainly.com/question/1931524

Answer details:

Grade: Middle school

Subject: Mathematics

Chapter: Counting

Keywords: Trick, treating, snagged, big bar, chocolate, eight pieces, nine pieces, long, high, break, separated, individual, squares, 71, 72, 49, 56.