Decimal Point Alignment: Verifying 21.52 + 3.4 Addition Setup

Question

Determine whether the exercise is correctly written or not.

True or false:

The positions of the decimal points correspond.

00:00 Determine if the decimal point position is correct?

00:03 In long subtraction, the decimal point must be aligned one above the other

00:06 Therefore, the decimal point position is correct

00:09 And this is the solution to the question

First let's fill in the zeros in the empty spaces as follows:

$21.52\\+03.40\\$ Note that the decimal points are written one below the other.

Therefore, the positions of the decimal points correspond and thus the exercise is written in the correct form.

True