Subtraction Extraction
Standards: CCSS.MATH 1.NBT.C.6, TEKS.MATH 1.2B, 1.3C, BEST MA.1.NSO.2.2, OH.MATH.1.NBT.6, GA.MATH.1.NR.5.3, VA.MATH 1.NS.1, Subtract Ten
We're close to conquering every level in Subtraction Extraction—the thrilling new space game where subtraction is the key to victory.