Hi, Janice Chee. The hint here is to divide Emma's 3 big units into 12 smaller units. Then, to show that Emma has 4 times more stickers than Francis, divide 12 by 4 to get the number of Francis' smaller units . Thus, based on the model, the 8 stickers must have represented the one smaller unit. :) You can solve the question from here now. :)

Thank you very much, Shaoyang Brandon! 😄

Help by son and daughter .😃

Thank you, Cherie Tan! 👍😄

Assuming all are motorcycles, 18 x 2 = 36 wheels 60 - 36 = 24 Each car has 2 more wheels than a motorcycle. 24 / 2 = 12 cars Alternatively, you can draw figures to visualise better.

A car has 4wheels and a motorcycle has 2. U need to find the correct Combi using trial and error. The correct answer shd b 12 cars and 6 motorcycles.

Assuming all 18 vehicles are motorcycles, 18 x 2 = 36 wheels Remaining = 60 - 36 = 24 wheels Find the diff in number of wheels between cars and motorcycles , 4-2= 2 Take 24 ÷ 2 = 12 So there are 12 cars Bal are 6 motorcycles Chk: 12 x 4 + 6× 2 = 48 + 12 = 60

Similar questions on number of legs of animals have been posted. One here for your reference with the best explanation by Xavier Sngin my opinion.

Guess and check method.

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Tessellate is a repeated pattern of shapes with no gaps or overlapping. It shd b option 2

Option 3 can repeat ? Hmmmm

Option 2. Shapes to be repeated without gaps.

http://mathforum.org/sum95/suzanne/whattess.html

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Sorry for my careless mistake. Amended already.

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