Smallest First
Number them 1, 2, 3 from smallest to greatest.
Number them 1, 2, 3 from smallest to greatest.
Smallest First — Number them 1, 2, 3 from smallest to greatest. Comparing numbers with greater-than, less-than and equal builds the magnitude thinking behind all later arithmetic.
Slot it into a weekly math rotation, where one group works on this while another meets the teacher.