221 P3.ST.JC.18120870
Level 3
Adam has 90 stickers.
Adam has 3 times as many stickers as Bryan.
Chris has 20 stickers more than Bryan.
How many stickers does Adam have more then Chris?
4 m
Model Comparison Model Times-as-many Units method
222 P4.ST.JC.18120949
Level 3
Adam was 3 times as old as Bryan 10 years ago.
Their total present age is 60 years now.
  1. How old is Adam now?
  2. How many years is Adam older than Bryan?
  3. How old is Bryan in 20 years' time?
4 m
More than or less than Times as many Unchanged difference Units table
223 P5.ST.JC.18121082
Level 3
12 of the number is 30 less than twice of the number.
Find the number.
2 m
Fraction of a whole Fraction to units More than or less than Times as many Common numerator Units equations Fraction units
224 P6.ST.JC.18121419
Level 3
Fill in the blanks.
At a gathering, 35 of the boys and 14 of the girls and 17 of the adults leave after 1 hour.
The number of boys, girls and adults who remain is the same.

  1. Number of boys at first = _____ u
  2. Number of girls at first = _____ u
  3. Number of adults at first = _____ u
  4. Number of people who remained = _____ u
4 m
Fraction of a set F Addition & subtraction Common numerator Fraction to units
225 P5.RD.JC.17083106
Level 2
The figure is not drawn to scale. It shows 2 identical squares. 14 of a square overlaps with the other. What is the ratio of the overlapping area to the total area of the figure?
2 m
Fraction to units Finding ratio Area Perimeter Square Overlapping area Square Repeated identity Units method
226 P3.ST.JC.18120871
Level 3
Adam has 90 stickers.
Adam has 3 times as many stickers as Bryan.
Chris has 20 stickers less than Bryan.
How many stickers does Bryan have less than Adam?
4 m
Model Comparison Model Times-as-many Units method
227 P4.ST.JC.18120950
Level 3
Adam is 3 times as old as Bryan now.
In 10 years time, their total age is 60 years.
How old is Adam now?
  1. How old is Bryan now?
  2. How many years is Bryan younger than Adam?
  3. How old was Adam 20 years ago?
4 m
More than or less than Times as many Unchanged difference Units table
228 P5.ST.JC.18121083
Level 3
Twice a number is 45 more than 34 of the number.
Find the number.
2 m
Fraction of a whole F Division Fraction to units More than or less than Times as many Common numerator Units equations Fraction units
229 P6.ST.JC.18121397
Level 1
Fill in the blanks.
Adam has some money.
The amount he spends is 25% of all his money.

  1. Amount that Adam spends = _____ u
  2. Amount that Adam has at first = _____ u
  3. Amount that Adam saves = _____ u
3 m
Percent to units Units method
230 P6.AG.JC.17080416
Level 2
Box X is half as heavy as Box Y. Box Z is 3 times as heavy as Boxes X and Y together. What is the mass of Box Z if Box Y is n kg?
2 m
Algebra in 1 variable Ratio to units Mass Times as many Units method

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