UPSKILL MATH PLUS

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### Theory

 1 Operations on matrices 2 Multiplication of Matrix by a Scalar 3 Properties of Matrix I 4 Properties of Matrix II 5 Additive identity and additive inverse

### Textbook Questions

 1 Multiple choice question Difficulty: easy 1 2 Two marks example problems I Difficulty: medium 6 3 Two marks exercise problems I Difficulty: medium 4 4 Five marks example problems II Difficulty: hard 15 5 Five marks exercise problems II Difficulty: hard 0 6 Five marks exercise problems III Difficulty: hard 10 7 Five marks exercise problems IV Difficulty: hard 15

### Practice Questions

 1 Addition on 2×2 matrices Difficulty: easy 2 2 Addition on 3×3 matrices Difficulty: easy 2 3 Additive Inverse matrix Difficulty: easy 2 4 Find the matrix 'B' Difficulty: easy 2 5 Maltiplication by a Scalar: 3×3 matrix Difficulty: medium 3 6 Exam and marks: Addition on 4×4 matrices Difficulty: medium 3 7 Scalar multiplication: Find the value of the matrix Difficulty: medium 4 8 Check the associative property on 3 × 2 matrix Difficulty: medium 7 9 Commutative property of matrices Difficulty: medium 5.6 10 Find the unknown values on 2 × 2 matrices Difficulty: medium 4 11 Associative property Difficulty: hard 7 12 Determine the value of matrices Difficulty: hard 4 13 Calculate the value of variables x, y and z Difficulty: hard 4 14 Verify the distributive property Difficulty: hard 6

### Key Questions for School Exam Preparation

 1 Find the matrix 2A + B Difficulty: medium 2 2 Find the unknown values of the variables Difficulty: hard 5 3 Verify the following Difficulty: hard 0 4 Determine the values of x, y and z Difficulty: hard 10

### Teacher manual

 1 Methodical recommendation