Use these vocabulary cards with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

With this worksheet, your second graders will be adding up two-digit and three-digit numbers with ease.

How are your students coming along in their three-digit addition skills? Use this spring math assessment to gauge your students' abilities to add within 1,000.

Are your students' math skills greater than or less than your expectations? Use this quick assessment to gauge your second graders' understanding of three-digit numbers.

Practice three-digit addition using open number lines with this second-grade math worksheet!

Use this worksheet to continue practice with two addition strategies: expanded notation and standard algorithm. Students will be challenged to solve three-digit addition problems and then check their work using multiple methods.

Practice three-digit subtraction using an open number line with this second-grade math worksheet!

Use this worksheet to practice two strategies for solving three-digit addition problems. Students will flex their math muscles as they use both the expanded notation and standard algorithm strategies to solve challenging math problems.

How are your students coming along in their three-digit subtraction skills? Use this spring math assessment to gauge your students' understanding of regrouping and abilities to subtract within 1,000.

In this practice worksheet, students solve 15 three-digit subtraction problems with regrouping.

Get more practice performing three-digit addition using open number lines with this second-grade math worksheet!

Get more practice performing three-digit subtraction using an open number line with this second-grade math worksheet!

Students will practice using vertical number lines to round three-digit numbers.

Practice rounding multi-digit numbers with this quiz-style worksheet!