Price: 200 points or $2 USD

Subjects: math,mathElementary,baseTen,holiday,firstDayOfSpring,stPatricksDay

Grades: 1

Description: 32 Boom Cards In this Boom Card activity, first-grade students practice CCSS 1.NBT.5 by mentally navigating 10 more or 10 less than a two-digit number. Through the interactive task of moving "shamrock" numbers to their respective spaces, students develop a solid understanding of numerical relationships. This exercise enhances mental math abilities, fostering quick and confident calculations, while simultaneously reinforcing the rationale behind the concepts of addition and subtraction by tens. CCSS 1.NBT.5: Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; (explain the reasoning used) Oklahoma OAS 1.N.1.6: Find a number that is 10 more or 10 less than a given number up to 100.