Teaching three-digit addition and subtraction can feel like a turning point for students. This is where place value really starts to matter, regrouping becomes meaningful, and strategies move beyond counting…
If your students are struggling to understand two-digit subtraction—or just going through the motions without really grasping what they’re doing—then it might be time to switch things up. One of…
What do you use to support your students in mastering different subtraction strategies? In our classroom, we create a two-digit subtraction anchor chart. This visual reference serves as a valuable…
There are many different ways to model two-digit subtraction when solving for an unknown. In this post, we’ll explore five different methods and discuss the benefits of each for different…
A number line is a powerful tool for teaching a variety of mathematical concepts. They are a great visual tool for helping students understand and learn single-digit, two-digit, and three-digit…
Introducing your students to two-digit addition and subtraction activities that focus on key strategies and skills can be fun and engaging while still meeting national and state math standards. I…
If you’re looking for an effective number line strategy for subtraction, you’re in the right place. Number lines are one of the most powerful visual models for helping students understand…
The worksheets and activities in this unit focus on developing number sense while subtracting three-digit numbers. The problems move from simple (subtracting 10s) to complex (regrouping) while practicing four main strategies: Use a Number Line, Use Base-10 Blocks, Break Apart or Ungroup, Subtracting with Vs, and Think Addition.
My second-grade students need a lot of work with number sense and place value strategies, especially when it comes to using number lines, base-10 blocks, and learning how to “jump”…
These Three-Digit Subtraction Math Centers help students practice a variety of subtraction strategies for three-digit math problems. They are perfect for second-grade students who are being introduced to three-digit subtraction or for…
These Three-Digit Addition Math Centers help students practice various addition strategies when adding three-digit problems. They are perfect for second-grade students who are just being introduced to three-digit addition or…
Teaching two-digit addition strategies well means giving students more than an algorithm. Students who only learn to line up numbers and add down the column often hit a wall when…