Skip to content

SJB Teaching

Maths English Languages

  • Private Tuition
  • Home Education
  • Homework Service
  • About Me
  • Fiction
  • Shop
  • Testimonials
  • Blog

Tag: trick

Square root in 3 seconds – math trick – YouTube

How to square 2 digit numbers ending in 5 (in your head)

  • Private Tuition
  • Home Education
  • Homework Service
  • About Me
  • Fiction
  • Shop
  • Testimonials
  • Blog

Copyright © 2026 SJB Teaching

Design by ThemesDNA.com