StudentName:
Lesson9
LessonNotes
Addition:AddingTens
Useyourknowledgeofmathfactsandplacevaluetocompletethesenumbersentences.
20+50=
30+70=
50+40=
10+60=
20+70=
60+20=
10+80=
80+20=
30+40=
50+50=
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StudentName:
Lesson9
Addition:Decomposingto10Strategy
Usedecomposingstrategytosolve59+32=
DecomposingintoTens:Explanation
Explainhowtodecomposetosolve6432=
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