Let's compare each pair of numbers to determine whether one is greater than or less than the other.
310 is less than 305.
Comparison: 310 < 305
539 is less than 879.
Comparison: 539 < 879
607 is less than 643.
Comparison: 607 < 643
211 is greater than 201.
Comparison: 211 > 201
400 is less than 700.
Comparison: 400 < 700
699 is greater than 693.
Comparison: 699 > 693
Now, let's express the greater than (>) or less than (<) signs in these comparisons.
301 < 679
894 > 571
541 < 740
411 < 490
571 < 813
119 < 145
491 < 494
699 < 700
In the comparison of who has more marbles between Sandra and Nestor:
Sandra has 245 marbles, and Nestor has 236 marbles, so:
Sandra has more marbles .
This type of comparison helps us understand the relative sizes or amounts of numbers by identifying which is larger or smaller through visual inspection or calculation.