Chapter 2 · Mathematics
Addition and Subtraction
Explore reasoning-focused learning resources for Class 4 Mathematics. Use the tabs below to switch views.
Chapter concepts overview
Brief public overview of listed concepts. Sign in for reviewed worksheets and mock tests for this chapter.
Problem Solving with Addition and Subtraction
Engage in complex problem-solving scenarios involving addition and subtraction.
Definition
In the Erudio Learn curriculum map, "Problem Solving with Addition and Subtraction" is practised through worksheets and mock tests after you sign in — not only through this short public overview.
Worked Example
Public pages show a brief overview only. A typical practice question for "Problem Solving with Addition and Subtraction" would ask the child to apply the idea in a short problem.
Q: Sample prompt style: solve or choose the best option for a question about "Problem Solving with Addition and Subtraction".
A: In the signed-in product, children answer reviewed bank questions and parents see mastery updates from those attempts.
Common Mistake
Skipping practice after reading an overview. Concept mastery on Erudio Learn comes from worksheet and mock-test attempts, not from browsing sample pages alone.
Adding Multi-digit Numbers
Learn to add multi-digit numbers using various strategies.
Definition
In the Erudio Learn curriculum map, "Adding Multi-digit Numbers" is practised through worksheets and mock tests after you sign in — not only through this short public overview.
Worked Example
Public pages show a brief overview only. A typical practice question for "Adding Multi-digit Numbers" would ask the child to apply the idea in a short problem.
Q: Sample prompt style: solve or choose the best option for a question about "Adding Multi-digit Numbers".
A: In the signed-in product, children answer reviewed bank questions and parents see mastery updates from those attempts.
Common Mistake
Skipping practice after reading an overview. Concept mastery on Erudio Learn comes from worksheet and mock-test attempts, not from browsing sample pages alone.
Subtracting Multi-digit Numbers
Learn to subtract multi-digit numbers using various methods.
Definition
In the Erudio Learn curriculum map, "Subtracting Multi-digit Numbers" is practised through worksheets and mock tests after you sign in — not only through this short public overview.
Worked Example
Public pages show a brief overview only. A typical practice question for "Subtracting Multi-digit Numbers" would ask the child to apply the idea in a short problem.
Q: Sample prompt style: solve or choose the best option for a question about "Subtracting Multi-digit Numbers".
A: In the signed-in product, children answer reviewed bank questions and parents see mastery updates from those attempts.
Common Mistake
Skipping practice after reading an overview. Concept mastery on Erudio Learn comes from worksheet and mock-test attempts, not from browsing sample pages alone.