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GENERAL EDUCATION AND TRAINING MATHEMATICS ASSESSMENT TASK 1 FEBRUARY 2018 GRADE 7 MARKS: 50 DURATION: 1 hour Question 1 a) 42 + 23 = 16 + 8 = 24 3 b) √25 + √64 − √16 = 5 + 4 − 4 =5 c) √54 − 5 + 4 ÷ 2 × 3 = 7 + 2 × 3 = 27 3 d) 32 + 5 × 22 + √8 = 9 + 20 + 2 = 31 e) 42 + 22 + 22 = 16 + 4 + 4 = 24 Question 2 (a) Find HCF and LCM of 12 and 24 12=2x2x3 24=2x2x2x3 HCF=2x2x3 =12 LCM=12X2 =24 (b) Write 120 as a product of its prime factors 2 120 2 60 2 30 3 15 5 5 1 120=2x2x2x3x5 120=23 x3x5 Question 3 John borrowed R500 at 2% rate for 3 years (a) Calculate SI 𝑃×𝑅×𝑇 SI= 100 𝑅500×2×3 SI= 100 SI=R30 (b) Calculate the total amount. Total=R500+30 =R530 Question 4 Divide R240 in the ratio 1:3 1+3=4 1 4 × 240 = 𝑅60 3 4 × 240 = 𝑅180 Question 5 TV cost R4000 and was sold at R3000 (a) How much was lost? =R4000-R3000 =R1000 (b) Calculate loss percentage. 𝑅1000 = × 100 𝑅4000 =25% Question 6 (a) Right angle (b) Acute Angle (c) Obtuse Angle (d) Straight Angle (e) Reflex Angle Question 7 1. 2. 3. 4. 5. Circumference Arc Centre Diameter Radius [Marks: 50]