Add & subtract on a number line

What is “Add & subtract on a number line”?

Add & subtract on a number line is a 2nd grade math skill in the Number Line Trail region of the TernQuest map — follow equal spaces to add and subtract within 100. It is aligned to California Common Core State Standards standard 2.MD.6. 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 add & subtract on a number line. A grown-up can also assign it directly from the dashboard, and teachers can assign it to a whole class with a join code.