Skip to 0 minutes and 9 secondsThis is how you set out a vertical addition. You have a house for the tens and a house for the units.
Skip to 0 minutes and 24 seconds24 add 13.
Skip to 0 minutes and 31 secondsFirst of all, you begin by adding up the units.
Skip to 0 minutes and 39 secondsYou must keep all your unit digits in the column for the units. 3 add 4, or 4 add 3 gives you 7
Skip to 0 minutes and 50 secondsand the 7 lives in the units house. Then you add up the tens. 1 add 2, or 2 add 1 gives you 3 and the 3 lives in the tens house. Remember, you can add the numbers in any order. and the answer is 37.
Primary maths example (teacher-created)
In this Primary level version of the previous film, the teacher demonstrates how to use tens and units columns for addition.
This type of one-shot film requires only a pen and paper and is very easy to create. A great starting point for the camera shy!
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