TernQuest
Math · Kindergarten · Place Value Plateau

2-digit + 1-digit

California Common Core 1.NBT.4 · 24 practice questions · Family Pass
Practise 2-digit + 1-digit in TernQuest →

What is “2-digit + 1-digit”?

2-digit + 1-digit is a Kindergarten math skill in the Place Value Plateau region of the TernQuest map — build & break apart 2-digit numbers. It is aligned to California Common Core standard 1.NBT.4. Children work through 24 grade-tagged questions at the apply level (applying the idea), and Pip the tern offers a hint — never the answer — when they get stuck.

How does it unlock?

Skills on the map unlock in order: finishing the skill before this one with a mastery score of 60 or more opens 2-digit + 1-digit. A grown-up can also assign it directly from the dashboard, and teachers can assign it to a whole class with a join code.