
Real Results. Real Tutor. With a Cardboard Study Buddy.
Meet CT-1, the friendly cardboard mascot who guides students through learning — and Ms Lim, the experienced Singapore tutor behind every lesson, worksheet, and breakthrough. Together, we help O- and N-Level students master Math and Science with structure, patience, and proven strategies.
What Ms Lim (and CT-1) Can Help Your Child With
Whether your child is struggling to pass N-Level Science or aiming for A1s in G3 Math, we offer expert help that’s MOE-aligned and results-driven — delivered by Ms Lim and explained with a little help from CT-1.
Subjects covered:
Elementary Math (G1, G2 & G3)
Additional Math (G2 & G3)
Physics (G3)
Chemistry (G3)
Combined Science (Physics/Chemistry) (G2 & G3)
CT-1 may walk you through some topics visually — but every lesson is taught by Ms Lim herself, using structured, student-centred methods.
Explore the Study Hub — Guided by CT-1, Created by Ms Lim
Need revision notes, topic-based worksheets, or a visual explanation of that one confusing Chemistry formula? CT-1 will help you find what you need, but everything here was designed, written, and refined by Ms Lim to support real student learning.
Elementary Math
Master algebra, geometry, and stats with step-by-step resources for G1–G3 Elementary Math.
Additional Math
Tackle algebra, graphs, and intro calculus with practice aligned to the O-Level A-Math syllabus.
Chemistry
Study acids, equations, and organic chem with visual guides from the O-Level Chemistry syllabus.
Physics
Learn motion, forces, electricity, and waves with notes and videos based on the O-Level syllabus.
CT-1’s Study Notes (Written by Ms Lim)
CT-1 introduces the topics, but it’s Ms Lim who writes the blog — with tips for parents, insights for students, and study systems that work for busy Singaporeans.
Not Sure Where to Start? Let’s Try One Lesson — 50% Off
If your child feels overwhelmed, behind in class, or unsure how to improve, this first lesson is the perfect way to get unstuck.
At just 50% of the usual rate, you’ll get a full 1-to-1 session with Ms Lim — no pressure, no long-term commitment. We’ll work through one topic, find out what your child needs most, and show how our lessons bring structure and clarity.
CT-1 will be there too — not to teach, but to help your child feel more at ease and supported along the way.
Who’s Really Behind CT-1? Meet Ms Lim.
CT-1 is the face you see across this site — but I’m Ms Lim, the person actually behind the lessons. I’ve been teaching Math and Science to O- and N-Level students in Singapore for over 20 years, both in-person and online.
I hold a Master of Education in Curriculum & Teaching (NIE/NTU), along with certifications in hybrid learning and special needs support. I design every lesson myself — structured, paced, and scaffolded based on what your child needs.
CT-1 is here to make studying less stressful. I’m here to make sure it works.

FAQ Section
Is CT-1 the tutor?
Nope! CT-1 is your child’s friendly study companion. Ms Lim is the real human tutor behind everything — from lesson design to results tracking.Do you teach N-Level students?
Yes. Many of my students come from N(A) and N(T) streams, and I adapt lessons to suit their pace, focus, and goals.Can you support students with learning differences?
Yes — while I focus on mainstream students, I accept a limited number of students with ADHD, dyslexia, or medical accommodations. CT-1 helps keep lessons friendly and manageable.
CT-1 is a tiny cardboard robot with a big message: studying is tough, but you're not alone. Discover how this clumsy, lovable study buddy helps students build focus, resilience, and confidence.