Mathematics Challenge Wiskunde-uitdaging - AMESA

Grade 7 (First Round) Page 2 of 45. In a competition the first four judges gave Dori scores of4,5; 4,6; 4,7 and 5,0. What score did the fifth judgegive her if her average score from the five judges was4,8?5. In ’n kompetisie het die eerste vier beoordelaars vir Doritellings gegee van 4,5; 4,6; 4,7 en 5,0. Watter tellinghet die vyfde beoordelaar haar gegee as haar gemiddeldetelling van die vyf beoordelaars 4,8 was?(A) 4,8 (B) 4,9 (C) 5,0 (D) 5,1 (E) 5,26. What is the number indicated by A on the ruler? 6. Wat is die getal aangedui deur A op die liniaal?A↓3,12 3,13(A) 3,11 (B) 3,1 (C) 3,118 (D) 3,15 (E) 3,187. The sketch shows cubes stacked on a table. Each cubeis 1 cm by 1 cm by 1 cm. How many cubes are in thisstack?7. Die skets hieronder toon kubusse wat op ’n tafel gepakis. Elke kubus is 1 cm by 1 cm by 1 cm. Hoeveelkubusse is daar in die stapel?(A) 6 (B) 7 (C) 8 (D) 9 (E) 108. In question 7: What area of the table do these cubescover?8. In vraag 7: Watter oppervlakte van die tafel word deurdie kubusse gedek?(A) 6 cm 2 (B) 7 cm 2 (C) 8 cm 2 (D) 9 cm 2 (E) 10 cm 29. In the Soccer World Cup group stage, every team playsone game against every other team in the same group.How many games were played in Group A betweenSouth Africa, France, Uruguay and Mexico?9. In die Wêreldbeker-sokker groepwedstryde speel elkespan een keer teen elke ander span in dieselfde groep.Hoeveel wedstryde is in Groep A tussen Suid-Afrika,Frankryk, Uruguay en Mexico gespeel?(A) 3 (B) 4 (C) 6 (D) 10 (E) 1210. Five identical rectangles fit together to form a figure asshown. What is the area of the figure?10. Vyf identiese reghoeke pas saam om ’n figuur te vormsoos getoon. Wat is die oppervlakte van die figuur?15 cm(A) 270 cm 2 (B) 300 cm 2 (C) 330 cm 2 (D) 360 cm 2 (E) 450 cm 211. Patrick Green’s initials are PG. Hannah Brown's initialsare HB. A firm makes handkerchiefs with all possiblecombinations of two initials. How many differentcombinations are possible?11. Patrick Green se voorletters is PG. Hannah Brown sevoorletters is HB. ’n Fabriek vervaardig sakdoeke mettwee voorletters daarop. Hoeveel verskillendekombinasies van twee voorletters is moontlik?(A) 676 (B) 338 (C) 52 (D) 650 (E) 625