Digital Math for 1.NBT.2B - Understanding Place Value (Slides + Self-Grading Quiz)
Interactive digital math practice and self-grading quiz for CCSS 1.NBT.2B (understanding teen numbers as ten ones and some more ones), first-grade level.
Includes: Tens Frames – Eleven/Fourteen: drag counters to make the number, type tens/ones · Base Ten – Sixteen/Thirteen: drag ones blocks to make ten plus ones, type tens/ones























