BitWithBite
Mathematics Worksheet
🔲 Matrices
SCORE___ / 20
NameClassDate
After this worksheet you can
Recognise the identity matrix.Find the transpose of a matrix.Identify a diagonal matrix.Work with matrix dimensions.📚 Quick Recap
A matrix is a rectangular array of numbers organized into rows and columns — this lesson goes beyond the basics to cover the special types of matrices that show up constantly in linear algebra.
🧠 Section A · Concept Check ● BEGINNER 4 × 1 = 4
1The diagonal entries of the 4×4 identity matrix are:
2The transpose of [[2,4],[6,8]] is:
3The transpose of a 2×3 matrix has size:
4Is [[3,1],[0,5]] a diagonal matrix?
🧮 Section B · Problem Solving ● INTERMEDIATE 2 + 3×3 = 11
5The identity matrix has on its main diagonal.
6The transpose swaps rows and .
7Write the 4×4 identity matrix's diagonal entries.
8Find the transpose of [[2,4],[6,8]].
9Find the transpose of [[1,0,0],[0,1,0]] (a 2×3 matrix).
🚀 Section C · Challenge ● CHALLENGE 5
10Is [[3,1],[0,5]] a diagonal matrix?
💭 Reflection — the most useful thing I learned:
A ___/4 B ___/11 C ___/5 Total ___/20
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✂ answer key — fold or cut before handing out
1-A 2-A 3-A 4-A | 5 1s 6 columns 7 = 1, 1, 1, 1 8 = [[2,6],[4,8]] 9 = [[1,0],[0,1],[0,0]] | 10 = No