Categories - Ratio
14 posts
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Primary 5 Ratio Level 2 Ex 5featured

P5-Ratio-L2-Ex5 Ans: 1–  4 2–  $59 12u –> $354 1u –> $29.50 $29.50 × 2 = $59   3–  12 : 16 = 3 : 4 4–  3 : 7 5–  2 : 3 Breadth –>  30 – (9 × 2 ) /2 = 6 cm 6 : 9 = 2 : 3     6–  $24  

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Primary 5 Ratio Level 1 Ex 5featured

P5-Ratio-L1-Ex 5 Ans: 1–  2 2–  4 3–  3 Local   :   Foreign 3        :     5 3u + 5u = 8u 8u –>  120 stamps 1u –>  120/8 = 15 stamps 15 × 3 = 45 local stamps   4–  3 5–  3 Perimeter –>  Length + Breadth + Length + Read more

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Primary 5 Ratio Level 3 Ex 4featured

P5-Ratio-L3-Ex4 Ans: 1–  3 : 2 2–  2 : 7 3–  375 people 4–  385 pencils 5–  65 coins 6–  $60 7–  80 oranges 8–  60 years old 9–  810 more members 10–  198 chocolates and lollipops 11–  $60 12–  increase by 25

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Primary 5 Ratio Level 3 Ex 3featured

P5-Ratio-L3-Ex3 Ans: 1–  1 : 3 2–  $640 3–  63 years old 4–  15 boys 5–  122 more stamps 6–  8 : 6 : 11 7–  a ->  12 years old ,   b ->  2 : 5 8–  $248 9–  280 sweets 10–  $1160 11–  39 more balls 12–  a ->  $390 ,   Read more

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Primary 5 Ratio Level 3 Ex 2featured

P5-Ratio-L3-Ex2 Ans: 1–  $90 2–  5 : 9 3–  100 marbles 4–  168 books 5–  14 adults 6–  480 ducks 7–  98 apples 8–  $98 9–  $180 10–  7 : 2 11–  a ->  24 male guests ,   b ->  $528 12–  $27.60

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Primary 5 Ratio Level 3 Ex 1featured

P5-Ratio-L3-Ex1 Ans: 1–  a ->  150 plastic cups ,   b ->  125 porcelain cups 2–  $150 3–  $1500 4–  $672 5–  $682 6–  Gary ->  $60 ,  Henry ->  $84 7–  4 : 3 8–  20 more pens 9–  $3990 10–  70 cupcakes 11–  1 ->  60 red pens ,   b ->  138 Read more

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Primary 5 Ratio Level 2 Ex 3featured

P5-Ratio-L2-Ex3 Ans: 1–  6 : 2 : 1 2–  91 marbles 3–  128 cm 4–  4 : 1 5–  300 ml 6–  24 years old 7–  27 years 8–  1/3 9–  30 pencils 10–  $1200 11–    18 marbles

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