Grade 2 Unit of Study 3: Rounding

Click here for the Spanish version: https://youtu.be/F6bpS2-33tM

In This Unit of Study…

Students will use a number line with various intervals of ten to round numbers from 0 to 100. Students will use relative magnitude to locate one- and two-digit numbers on a number line and determine the ten that the number is nearest to.Student will round numbers from 0 to 100 to the nearest ten.

B.E.S.T. Benchmarks:

• MA.2.NSO.1.4 Round whole numbers from 0 to 100 to the nearest 10.
• MA.2.NSO.2.1 Recall addition facts with sums to 20 and related subtraction facts with automaticity. (making ten)

Key Concepts:

• I can round whole numbers from 0 to 100 to the nearest 10.
• I understand that rounding is a process that produces a number with a similar value that is less precise but easier to use.