Column addition is a way of adding numbers together. It's helpful when you're adding two-digit or three-digit numbers together. When you do column addition, you lay out the numbers you are adding ...

When you are solving an addition calculation with a two-digit number, you need to think about tens and ones. A place value chart can help you to see the value of each digit in a number. For example, ...

How readers monitor & correct their reading along the way. 2-digit numbers using 10 frames Students are introduced to beginning blends through phonemic awareness and phonics activities, and to the ...