Subtract on Number Line Video 1 from KSH Kula Ha'aha'a on Vimeo.
Subtract on Number Line Video 2 from KSH Kula Ha'aha'a on Vimeo.
Subtract on Number Line Video 3 from KSH Kula Ha'aha'a on Vimeo.
Number Line Adding Video 1 from KSH Kula Ha'aha'a on Vimeo.