Price: 200 points or $2 USD

Subjects: math,mathElementary,baseTen

Grades: 2,3

Description: CCSS.MATH.CONTENT.1.NBT.C.5 Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used. In this deck students can practice adding and subtracting 10 less and 10 more or 100 less and 100 more than the given number. Students will practice random numbers in this deck from 100 to 900.