Math Mights. Subtraction on an Open Numberline. Season 2 Episode 214 | 16m Video has Closed Captions | CC. Mrs. McCartney talks addition with D.C.; practices hopping the numberline with Springling.

Bullish (Video) Coronet Film: Elementary Math - Addition, Subtraction & Number Line. Posted: February 25, 2025 | Last updated: February 25, 2025 ...

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 ...

When you do a subtraction problem, you can check it by doing the inverse operation. ... As I'm looking at my number line, he's seeing the same numbers. Five, 10, 15, 20, and so on.

Now look a this number line. It shows 15 take away 9. Written as a subtraction it is: 15 - 9. You can use the number line to help us solve this subtraction. What number do you start from?

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 ...

Ellis showed a subtraction problem, performed both using the traditional regrouping, or borrow-and-carry, algorithm and using an example from the common core. Here’s a screenshot of the two methods.

Maths Years F–1 with Miss James: Subtraction using a number line. Duration: 9 minutes 44 seconds 9m . Maths Years F–1 with Miss James: Worded problems with addition and subtraction.