Subtraction
Subtracting tens from 2-digit numbers using a number line
![Still image for this video](http://primarysite-prod-sorted.s3.amazonaws.com/overseal-primary-school/UploadedVideo/0f43da8dcba44b88a4b760729f122a2c/screenrecording_11-22-2018-20-07-27_zencoder/thumbs/frame_0000.png)
Subtracting a 2-digit number from another 2-digit number using base 10
![Still image for this video](http://primarysite-prod-sorted.s3.amazonaws.com/overseal-primary-school/UploadedVideo/5ea84e5fb72f44c597de1d2a57484b90/screenrecording_11-22-2018-20-17-46_zencoder/thumbs/frame_0000.png)
Subtracting a 2-digit number from another 2-digit number using base 10 (regrouping)
![Still image for this video](http://primarysite-prod-sorted.s3.amazonaws.com/overseal-primary-school/UploadedVideo/9d2b09da14684dec86cd228674b015c0/screenrecording_11-22-2018-20-26-46_zencoder/thumbs/frame_0000.png)
Subtracting a 2-digit number from another 2-digit number using a number line
![Still image for this video](http://primarysite-prod-sorted.s3.amazonaws.com/overseal-primary-school/UploadedVideo/08debd8371dc482e9aac7373e245b004/screenrecording_11-22-2018-22-29-09_zencoder/thumbs/frame_0000.png)