181 P5.ME.JC.17083102
Level 2
Alexander measures his height using a tape measure, as shown . Seven years ago, he was 1.38 m. How much has he grown in seven years? Express your answer in m.
2 m
Scale reading Length D 4 operations Intervals Units method
182 P3.ST.JC.18120863
Level 2
Adam saves $60.
He saves 3 times as much money as Bryan.

  1. How much does Bryan save?
  2. How much does Adam save more than Bryan?
  3. How much does Bryan save less than Bryan?
  4. How much do both of them save altogether?
4 m
Model Times-as-many Units method
183 P4.ST.JC.18120941
Level 3
Adam has 200 red and blue stickers.
He buys 40 red stickers and the number of red stickers becomes 3 times as many as blue stickers.
  1. How many more red stickers than blue stickers does Adam have at first?
  2. How many less blue stickers than red stickers does Adam have in the end?
4 m
Times as many Unchanged quantity Model Comparison Units table
184 P5.ST.JC.18121056
Level 2
Adam spends 12 of his monthly income on transport,
25 of it on food
and saves the rest.
If he saves $600 each month,
how much does he earn a month?
2 m
Fraction of a whole F Addition & subtraction Common denominator Fraction to units Units method
185 P6.ST.JC.18121415
Level 2
Fill in the blanks.
60% of the boys are equal to 25% of the girls.

  1. Number of boys = _____ u
  2. Number of girls = _____ u
  3. Total number of boys and girls = _____ u
  4. Difference between the number of boys and girls = _____ u
4 m
Percent to units Common numerator
186 P6.RD.JO.21042212
Level 2 PSLE
Mary has a number of pens in three colours: yellow, orange and purple. 310 of the pens are yellow. The number of yellow pens is twice the number of orange pens. What fraction of the pens is purple?
2 m
Fraction of a set Fraction to units Times as many Repeated identity Units table
187 P6.RA.JC.16010101
Level 2
The ratio of Henry's age to Mark's age is 9 : 5. Last year, their average age was 20. How old will Mark be in 5 years' time?
2 m
Ratio to units Average Units table
188 P5.ME.JC.17083105
Level 2
The figure shows the mass of 3 objects, A, B and C. C has a mass of 2.3 kg. The ratio of the mass of A to the mass of B is 4 : 1. What is the mass of B? Express your answer in kg.
2 m
Scale reading Mass D 4 operations Ratio to units Intervals Units method
189 P3.ST.JC.18120864
Level 2
Adam saves $60.
Bryan saves 3 times as much money as Adam.

  1. How much does Bryan save?
  2. How much does Bryan save more than Adam?
  3. How much does Adam save less than Bryan?
  4. How much do both of them save altogether?
4 m
Model Times-as-many Units method
190 P4.ST.JC.18120942
Level 3
Adam has 2 times as many red stickers as blue stickers.
He gives away 30 blue stickers.
Adam has 3 times as many red stickers as blue stickers.
  1. How many more red stickers than blue stickers does Adam have at first?
  2. How many less blue stickers than red stickers does Adam have in the end?
4 m
Times as many Unchanged quantity Model Comparison Units table

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