Grade 2 Math Topics

Second Grade

In the second trimester of the school year, second grade students will work on the following skills:

  • Working on strategies for mental math with adding and subtracting
  • Adding and subtracting 2-digit numbers, with and without regrouping or exchanging ones for tens and tens for ones
  • Place value through 1,000

You can help your child at home by having them practice these skills.  Knowing their basic addition and subtraction facts, especially the combinations to make 5 and 10, will make more complex math in the year and beyond much easier. Having children experience various situations where they would add or subtract is important for life.  Think of situations that involve adding as combining or joining.  In subtraction students explore comparing two item sets, not just “taking away”.  Students should be using base ten models, number lines and expanded algorithms (think 34+25 as 30 + 20 + 4 + 5) as the traditional algorithm is not for mastery until the 4th grade.  Working with base ten models, number lines and expanded algorithms allow for students to comprehend what is happening in the place values as you add or subtract, and allows them to judge the reasonableness of their answers after they’ve solved.  A strong foundation in second grade provides them with a good number sense when working with larger numbers later.

Here are some other resources:

Make a set of flashcards for addition or subtraction.

Up Next:  Addition and subtraction with 3-digit numbers and counting money.