Algebra Play — Formula Sheet
CBSE · Class 8 · Mathematics
10 formulas from Algebra Play (CBSE Class 8 Mathematics) on one page, grouped by topic. Part of the CBSE Class 8 Mathematics syllabus.
Interactive on Super Tutor
Studying Algebra Play? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for formula sheet and more.
Free trial, no card needed.
Formulas and Key Relations
Think of a Number Tricks
2x + 4 divided by 2, minus x = 2
100M + 165 + D
Number Pyramids
top = a + b
(12 + c) + (c + 8) = a + b = 60
20 + 2c = 60
Calendar Magic
a + (a+1) + (a+7) + (a+8) = 4a + 16
4a + 16 = 36
Largest Product
qp × r = (10 × q × r) + (p × r)
rp × q = (10 × r × q) + (p × q)
Number Pyramids
For the pyramid with top 60 and bottom row 12, c, 8 with middle a, b, the solution is c = 20, a = 32, b = 28.
Full sheet with units and worked examples
View AllFrequently Asked Questions
What are the important topics in Algebra Play for CBSE Class 8 Mathematics?
How many formulas are in Algebra Play?
How should I revise Algebra Play for Class 8 exams?
Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Algebra Play
Practice Quiz
Test yourself with a quick quiz
Important Questions
Exam-style questions with answers
Revision Notes
Key points for last-minute revision
Chapter Summary
Understand the chapter at a glance
Concept Maps
See how topics connect
Study Plan
Step-by-step plan for this chapter
Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
For serious students
Get the full Algebra Play chapter — start free.
Quizzes, flashcards, an AI doubt solver and a study plan for CBSE Class 8 Mathematics. Free to start, no card needed.