Price: 100 points or $1 USD
Subjects: math,holiday,firstDayOfWinter,christmas,mathElementary,operationsAndAlgebraicThinking,additionAndSubtraction
Grades: 1,2
Description: The Key Idea behind this game is that students practice three-addend addition number sentences with one missing addend. All of the number sentences have sums between 10 and 20. This is a fill in the blank game.