Price: 100 points or $1 USD
Subjects: math,holiday,firstDayOfWinter,christmas,mathElementary,operationsAndAlgebraicThinking,additionAndSubtraction
Grades: 1,2
Description: The Key Idea behind this deck is that students practice missing subtractend facts. This deck also contains related facts such as 15-8=7 and 15-7=8. The subtraction sentences in this deck are facts within 20.