Which activity best suits a 4th grader learning to compare and order quantities?

The activity that best suits a 4th grader learning to compare and order quantities is the one that involves expressing the order of two multi-digit whole numbers using inequality symbols. This task directly engages students in the process of comparison and requires them to think critically about the values of the numbers involved. By using inequality symbols (greater than, less than, or equal to), students not only practice ordering numbers but also reinforce their understanding of the relationships between different values.

This activity also enhances their ability to conceptualize these relationships visually, preparing them for more complex mathematical reasoning. It incorporates an important element of mathematical language, allowing students to articulate their understanding of numbers beyond just arranging them. This is especially beneficial at the 4th-grade level where students start to encounter more sophisticated mathematical concepts, making it an ideal choice for fostering deeper comprehension of numerical relationships.