SUBJECTS: Maths YEARS: F–2. Learn the "counting back" strategy to help you solve tricky subtraction problems. In this lesson, Miss James demonstrates how to use a number line correctly, and she ...

Coronet Film: Elementary Math - Addition, Subtraction & Number Line. Posted: February 25, 2025 | Last updated: March 19, 2025. Explains the concept of zero in mathematics, emphasizing its role as ...

Remember, you can use subtraction to find the difference between two numbers. Back to top. ... Let's use a number line to help. Start with the smaller number and then count on.

A number line can be useful when answering questions involving negative numbers. When adding a positive number, go up the number line (move to the right). When subtracting a positive number, go ...

Teaching in Room 9. Open Number Lines 2 | 2nd Grade Math. Special | 28m 38s Video has Closed Captions | CC. Addition & subtraction strategies to solve two-digit equations using an open number line.