Texas Math Models

Number bonds · break apart by place

367 + 258 = 625 G3–G4

367 258 300 67 60 7 200 58 50 8 300 + 200 = 500 60 + 50 = 110 7 + 8 = 15 hundredstensones 500 + 110 + 15 = 625

How this one works

How

break both numbers into 100s, 10s, 1s; add the matching parts.

Best when

big numbers feel easier in pieces.

The same problem, other ways