Mentally Add & Subtract 10 & 100 with Flamingos

by My Little Penguins

Price: 225 points or $2.25 USD

Subjects: math

Grades: 1,2,3

Description: No prep! Self-checking boom cards. These 35 cards are in random order and will allow students to practice adding and subtracting 10 and 100 from given numbers. See the preview for a sample and see my store for many more decks! Follow me for freebies as some freebies last just a few days! Standards Covered: CCSS.MATH.CONTENT.2.NBT.B.8 Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.