GoblinsCreate Account
Standards/Math/Kentucky/1.NBT

1.NBT

1 Grade 1
1.G
1.MD
1.NBT
1.NBT.11.NBT.21.NBT.31.NBT.41.NBT.51.NBT.6
1.OA

Numbers and Operations in Base Ten

1.NBT.1Count and represent numbers. (MP.2, MP.5, MP.8)1.NBT.2Understand the two-digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases: (MP.5, MP.7)1.NBT.3Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <. (MP.2)1.NBT.4Add within 100 including adding a two-digit number and a one-digit number. Add a two-digit number and a multiple of 10. (MP.7, MP.2, MP.3)1.NBT.5Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used. (MP.2, MP.8)1.NBT.6Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences). (MP.3, MP.5)
Goblins

1-on-1 AI tutoring aligned to 1.NBT. Instant help for students, real-time insights for teachers.

Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.

Free for teachers, forever →

Resources

Privacy PolicyTerms of ServiceCareersTeacher LoginStudent Login

Communities

Access 4 Learning Community, Student Data Privacy Consortium
Goblins

© 2023-2026 Aha Moments, Inc.