Number Operations (Addition, Subtraction, Multiplication and Division)
B1.1.2.2.1
Use objects and pictorial models to solve word problems involving joining, separating and comparing sets within 20 and unknowns as any one of terms in problems such as 9 +7 = [], 13 +[] =19 and 14-[]=3.
Number
· Number Operations (Addition, Subtraction, Multiplication and Division)