00351nam a2200133 a 450000500170000000800410001702000180005805000270007624500260010326000390012930000090016844000250017750000150020220140412111421.0071129s19uu    xx            00    eng d  a1-55799-918-x  aTR(GS 512.92bAd2 2003  aAddition facts to 18.  aU.S.A :bThe learning line,c2003.  a32p.  aSuccess measures up!  aGrades 2-3