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Three-Digit Addition — Worksheet 15

Name: Date: Three-Digit Addition Solve each problem. Show your work! 1.290423+2.422456+3.278628+4.851344+5.152403+6.390349+7.117678+8.286318+9.178860+10.866786+11.384140+12.484116+13.423222+14.702186+15.577389+16.606565+17.154642+18.634221+19.216177+20.813679+ 71387890611955557397956041038165252460064588896611717968553931492 funchildren.com 3rd Grade · Sheet #15