Correct Answer
The correct answer is B because it's the only one that is divided into 4 equal parts. The other shapes are incorrect because they either have more or fewer parts, or the parts are not equal in size.
Explanation
Understand What "Fourth" Means. A shape is divided into fourths if it is split into exactly 4 equal parts. We are looking for the shape that is divided into 4 parts that are all the same size.
Look at Each Shape. Let's go through each option to see which one is divided into fourths.
(A) This shape is a plus sign, and it's made of 5 squares. It is divided into 5 equal parts, not 4, so it's divided into fifths. That's why this one is not correct.
(B) This is an octagon (like a stop sign), and it's divided by two lines: one going from top to bottom and one going from side to side. This creates 4 equal parts. Since it's divided into 4 equal sections, this shape is divided into fourths, so this is the correct answer.
(C) This is a square, but it's split into 3 parts, and those parts aren't equal. One part is much bigger than the other two. Since it's divided into 3 unequal parts, it's not fourths.
(D) This is a triangle, and it's divided into 4 parts, but the parts are not the same size. The sections get bigger as you move from top to bottom. Since the parts are not equal, it's not divided into true fourths.
By understanding what "fourths" means and checking each shape, we can see that the octagon is the only one divided into fourths.
