Introduce missing addends by placing two sets of objects on the flannel board and having one pupil at a time find the missing set ... 10 To provide practice on column addition with missing sums and missing addends Preliminary Activities Use game 26. ... What is the third addend? ... the children will have little difficulty making the transition to the more sophisticated aquot;frame arithmeticaquot; beginning in Grade 3.
|Title||:||New ways in numbers|
|Author||:||Clarence Edward Elwell, Mary Canisius (Sister.)|