A teacher writes the number 308 on the blackboard and asks the children to read the number loudly. A child says, "It is thirty-eight." Which among the following is the most appropriate strategy to rectify the error committed by the child?

The correct option is:
"Provide few practical examples to the child to understand the position of digits in a number."

Step-by-Step Educational Explanation:

1. Analyzing the Error:
The child reads the number 308 (three hundred and eight) as "thirty-eight" (38). This error indicates a misconception about place value. The child is ignoring the placeholder "0" in the tens place and is simply combining the digits "3" and "8" as they would see them in a two-digit number.

2. Evaluating the Strategies:

• "Provide few practical examples to the child to understand the position of digits in a number.": This is the most appropriate strategy because place value is abstract. Using concrete or practical examples (such as base-ten blocks, abacus representation, or bundling sticks) helps the child visually and physically understand that the position of a digit determines its value (e.g., the '3' in 308 represents 3 hundreds, not 3 tens). This addresses the root cause of the error.
• "Teacher can read the number once and ask the child to repeat.": This relies on rote imitation rather than conceptual understanding. The child might repeat "three hundred eight" without understanding why it is read that way, and the misconception will persist.
• "Ask the child to start counting from 99 up to 308 in continuity.": Counting over 200 numbers in continuity is tedious and does not directly target the specific place value confusion regarding the digit positions in 308.
• "Ask another child to read the number loudly.": While this provides the correct pronunciation, it does not actively help the child who made the mistake to reconstruct their understanding of place value.