4 to 12 Maths
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Maths Videos


Maths Help Videos

The Maths help videos are displayed categorized by Primary Grade and then by mathematical Strand. Where videos content exceeds the skills appropriate to a grade, the video will be associated to all relevant grades.

We would like to thank Khan Academy for sharing it's mathematical related videos on 4to12maths.com Note: All Khan Academy content available for free at www.khanacademy.org


Number

Two digit and single digit additionAdding a two digit number to a single digit number eg. 24 + 8. This video also introduces the concept of carrying as well as using the number line to explain addition.
Two digit and single digit addition - larger numbersAdding a two digit number to a single digit number eg. 99 + 9. This video also introduces the concept of carrying as well as using the number line to explain addition.
Different way of viewing subtractionSubtracting two individual numbers eg. 5 - 3. Subtracting a single digit number from a two digit number eg. 17 - 9. Subtracting two individual numbers using the number line. Concepts of "taking away", "more than" and "difference" are used.
Introduction to borrowing or regroupingSubtracting a single digit number from a two digit number eg. 17 - 9. Concepts of Units, Tens and Hundreds. Concept of borrowing and regrouping for subtracting the following digit numbers from one another eg. 22 - 17, 703 - 67, 953 - 754.
Place Value 1 : Find the place value of a numberFind the place value of 3 in 4356. Write a number in expanded form, thousands, hundreds, tens and units.
 

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