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iRubric: class assessment rubric

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class assessment mathematics class assessment on indices Rubric Code: K226865 By maeesha Draft Public Rubric Subject: Math Type: Assessment Grade Levels: 6-8

question
	Answers (N/A)	marks (N/A)	partial marks (N/A)
question 1 a) 2^11	Answers 2048	marks 0.5	partial marks
question 1 b) 1^(-47)	Answers 1	marks 0.5	partial marks
question 1 c) - 1/5^4	Answers -1/625	marks 1	partial marks 0.5 for 5^4 0.5 for correct answer
question 1 d) ((-10)/15)^7	Answers -128/2187	marks 1	partial marks 0.5 for (-10)^7, (15)^7 0.5 for correct answer
question 2 a) 10^6×10^3	Answers (10)^9	marks 2	partial marks 10^(6+3) 1 mark (10)^9 1 mark
question 2 b)7^8÷7^2	Answers 7^6	marks 2	partial marks 7^(8-2) 1 mark 7^6 1 mark
question 2 c)2^6×3^6	Answers 6^6	marks 2	partial marks 1 mark for 2*3=6 1 mark for correct answer
question 2 d) 5^4÷6^4	Answers (5/6)^4	marks 2	partial marks 1 mark for (5/6) 1 mark for correct answer
question 2 e) (9^2)^5	Answers 9^10	marks 2	partial marks 9^(2*5) 1 mark 9^10 1 mark
question 2 f) 12^5/3^5	Answers 1024	marks 2	partial marks 0.5 marks for (12/3)^5 0.5 marks for 4^5 1 marks correct answer
question 3 a) ((16)^7)/((2^12×2^8))	Answers 256	marks 3	partial marks 0.5 marks for (16)^7/(2)^(12+8) 0.5 marks for (2^4)^7/(2)^20 0.5 marks for 2^28/2^20 0.5 marks for 2^(28-20) 0.5 marks for 2^8 & 0.5 for correct answer
question 3 b) (2^8×a^4 b^6)/(4^2×a^3 b^2 )	Answers 16ab^4	marks 3	partial marks (2^8/((2^(2))^2 ))(a^4/a^3 )(b^6/b^2 ) 1 marks 2^(8-4) a^(4-3) b^(6-2) 0.5 marks 2^4 a^1 b^4 o.5 marks 1 marks for correct answer
question 3 C) 12^(1/4)/4^(1/4)	Answers 3^(1/4)	marks 2	partial marks 1 marks for (12/4)^(1/4) 1 marks for correct answer
question 3 d) 4^(3/2)	Answers 8	marks 2	partial marks 0.5 marks for (4^3)^(1/2) 64^(1/2) 0.5 marks 0.5 marks for √64 0.5 marks for correct answer