Price: 0 points or $0 USD

Subjects: decimals

Grades: 1,2

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 Boom Cards activity your students wil practice their math skills by typing in ten less and ten more than the given number, and choosing ten less and ten more than the given number. Nine cards with numbers multiples of ten from 10 to 90. Nine cards with multiples of five from 15 to 95. Cards include voice instruction.