If you didn't watch the previous video on subtracting left to right, you're missing out. All the old school geezers will teach you right to left subtraction, and it's not wrong, and sometimes it's ...

Students put all of their addition and subtraction skills together to solve equations. In this lesson, students put all of their addition and subtraction skills together to solve equations. Julia ...

What They Need To Know: In math, students extend their understanding of place value to the hundreds place. They will use this to solve word problems, such as those involving length and other units of ...

Addition & subtraction strategies to solve two-digit equations using an open number line. In this lesson, students go over using different addition and subtraction strategies to solve two-digit ...

In math, students will extend their understanding of place value to the hundreds place. They will use this to solve word problems, such as those involving length and other units of measure. Students ...

You may hear your child and her teacher talk about Place Value Disks. When learning place value, addition, and subtraction, place value disks are a great tool to tie together your child’s ...

Subtracting larger numbers in your head is not always easy, so you can use the column method to take one number away from another. You write the larger number above the smaller number, so that the ...

Adding a one-digit number and a two-digit number Adding two two-digit numbers Subtracting two digits Activity 1 Activity 2 Adding a one-digit number and a two-digit number To add a one-digit number to ...

So your kid wants to subtract like a champ? Well, the tried-and-true method works, but that doesn't mean it's the only way. In this video, we're going to look at some additional techniques using ...