A first grader measures 1 meter high how much bigger is a first grader compared to the height of a book

To solve this problem, we would be needing the actual height or size of the book which is not given in the problem. However for the sake of calculation let us assume that the average height of a book is 8.5 inches.

Then the next step we have to do is to convert the height of the first grader from units of meter to units of inches. We know that:

1 meter = 39.37 inches

Therefore the height of the first grader is 39.37 inches.

Taking the ratio with the bigger number in the numerator (height of the 1st grader / height of the book):

ratio = 39.37 inches / 8.5 inches

ratio = 4.63

Therefore this means that the first grader is about 4.63 times taller than the book.