10+25+30=? Using BT

55-21=? Using EF

55+21=? Using BT

Mr.Ramos made 78 tacos for his students. The Chupacabra came and ate 45 of the tacos. How many tacos are left? Make sure to use at least one of the 3 main strategies and one label (ex.12 McChickens)  

Luna ate 17 dog treats and Canela ate 32 dog treats. How many dog treats did the two dogs eat in all? Make sure to use at least one of the 3 main strategies and one label (ex.5 toys)

15+41+23=? Using EF

101+38? Using NL

120+35=? Using NL

88-44=? Using EF

73+36=? Using EF

164-123=? Using BT

92-52=? Using NL