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 ...

Number lines can help you see where a number is compared to another number. You can create a number line that goes up to any number. You can then look at the part of the number line that's the most ...

When you estimate a number you decide approximately, or roughly, how big that number is. To estimate accurately, you need to have a good understanding of the value and order of numbers. A number line ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. There are infinitely many numbers, and infinitely many ways to combine and manipulate those numbers.

Learning maths is difficult at the best of times - but when it comes to rational numbers, there is an entire conceptual shift ...

Students go over using number lines to solve the four equations in a fact family. In this lesson, students go over using number lines to solve the four equations in a fact family. Julia uses charts, ...