Arrow way (arrow notation)
625 − 258 = 367 G3 · from G2
How this one works
How
write each jump as an arrow, then add the jumps.
Best when
you want the number line, but faster.
seen one of these on a test? See it on a real question: TEKS 3.4A, adding and subtracting to 1,000.
The same problem, other ways