Biggest First
Number them 1, 2, 3 from greatest to smallest.
Number them 1, 2, 3 from greatest to smallest.
Biggest First — Number them 1, 2, 3 from greatest to smallest. Comparing numbers with greater-than, less-than and equal builds the magnitude thinking behind all later arithmetic.
Send it home once the method has been taught in class, so families meet the same approach.