Price: 300 points or $3 USD
Subjects: math,mathElementary,baseTen,placeValue,additionAndSubtraction,operationsAndAlgebraicThinking
Grades: 1,2,3
Description: Students will practice finding the missing numbers by addition and subtraction - 1 more, 1 less, and 10 more, 10 less than a two-digit number within 100. Common Core Aligned 1.NBT.C.5