161 P6.ST.JC.18121420
Level 3
Fill in the blanks.
Number of boys at first is 30% of the children.
Number of boys is then increased to 40%.

  1. Number of boys at first = _____ u
  2. Number of boys in the end = _____ u
  3. Increase in the number of boys = _____ u
  4. Number of children in the end = _____ u
4 m
Percent to units Percent change to Unchanged quantity Units table
162 P6.AP.JC.22040802
Level 2 PSLE
In Figure 1, the total perimeter of 4 rectangles X and square Y is 152 cm. They are joined to form a large square in Figure 2 which has a perimeter of 56 cm. Find the length of one side of square Y.
2 m
Length Square Rectangle Units & parts Elimination
163 P6.RA.TL.16010102
Level 2
The ratio of coconuts to mangosteens is 2 : 7. If 348 mangosteens are added, the ratio of coconuts to mangosteens will be 2 : 11. How many more mangosteens than coconuts are there in the end?
2 m
Ratio to units More than or less than Unchanged quantity Units table
164 P6.FR.JC.17053009
Level 3 PSLE
Lynn had a bottle of oil. She used an equal amount of oil each day. At the end of the 12th day, 13 of the bottle was left. At the end of the 14th day, the amount of oil left was 100 mℓ .  What was the amount of oil in the bottle at first? Express the answer in mℓ .
2 m
Fraction of a whole F Addition & subtraction Volume Units method
165 P6.ST.JC.18121421
Level 3
Fill in the blanks.
Number of boys at first is 40% of the children.
Number of boys is then decreased to 30%.

  1. Number of boys at first = _____ u
  2. Number of boys in the end = _____ u
  3. Decrease in the number of boys = _____ u
  4. Number of children in the end = _____ u
4 m
Percent to units Percent change to Unchanged quantity Units table
166 P6.ST.JC.18121406
Level 2
Fill in the blanks.
Adam has some stickers.
Bryan gives him more stickers.
The number of stickers that Adam has increases by 25%.

  1. Number of stickers that Adam has at first = _____ u
  2. Number of stickers that Bryan gives him = _____ u
  3. Number of stickers that Adam has in the end = _____ u
3 m
Percent change by Percent to units Units method
167 P6.ST.JC.18121407
Level 3
Fill in the blanks.
Adam and Bryan share some stickers.
When Adam gives 10 to Bryan, Bryan's share increases by 20%.

  1. Number of stickers that Bryan increases by in percentage = _____%
  2. Number of stickers that Bryan has in the end in percentage = _____ %
  3. _____% of Bryan's stickers is the same as 10.
  4. Number of stickers that Bryan has at first = _____
4 m
Percent change by Units method
168 P6.ST.JC.18121409
Level 3
Fill in the blanks.
Adam and Bryan share some stickers.
When Adam gives 10 to Bryan, Adam's share decreases by 20%.

  1. Number of stickers that Adam decreases by in percentage = _____%
  2. Number of stickers that Adam has in the end in percentage = _____ %
  3. _____% of Adam's stickers is the same as 10.
  4. Number of stickers that Adam has at first = _____
4 m
Percent change by Units method
169 P6.RA.NK.21060204
Level 1 PSLE
Sandy had 50 stickers and Tina had 22 stickers. After Sandy gave some of her stickers to Tina, the number of stickers Sandy and Tina had was in the ratio 1 : 2. How many stickers did Tina have in the end?
2 m
Ratio to units Internal transfer Unchanged total Units table
170 P6.AG.JC.17080448
Level 1
Jimmy and Kenny had $180 in all. Ken had $(12b + 6) more than Jim. How much did Jim have if b = 7?
2 m
Algebra in 1 variable Algebra simplifying Algebra substitution Money More than or less than Units method
171 P6.RA.JC.17050711
Level 2
The ratio of Wendy's stamps to Yoko's stamps at first was 3 : 4. After Wendy gave Yoko 24 stamps, the ratio of Wendy's stamps to Yoko's stamps is 1 : 2. What was the total number of stamps they had altogether?
2 m
Ratio to units Internal transfer Unchanged total Units table
172 P6.ST.JC.18121410
Level 3
Fill in the blanks.
Adam has some stickers.
Adam gives some stickers away.
The number of stickers decreases by 25%.

  1. Number of stickers that Adam has at first = _____ u
  2. Number of stickers that Adam gives away = _____ u
  3. Number of stickers that Adam has in the end = _____ u
3 m
Percent to units Percent change by Units method
173 P6.RA.TL.16010103
Level 2
The ratio of Tim's money to Carl's money is 3 : 5. If Carl has $845, how much must he give to Tim so both will have the equal amount of money?
2 m
Ratio to units Money Equal stage after Internal transfer Unchanged total Units table
174 P6.ST.JC.18121405
Level 2
Fill in the blanks.
Adam has some stickers.
Bryan gives him more stickers.
The number of stickers that Adam has now is an increase of 25% compared to what he has at first.

  1. Number of stickers that Adam has at first = _____ u
  2. Number of stickers that Bryan gives him = _____ u
  3. Number of stickers that Adam has in the end = _____ u
3 m
Percent change by Percent to units Units method
175 P6.AG.JC.17033106
Level 1 PSLE
Abel, Ben and Cindy share $15z. Abel gets $z more than Ben and Cindy gets $2z more than Ben. If z = 7, how much money does Ben get?
2 m
Algebra simplifying Algebra substitution More than or less than Units method
176 P6.ST.JC.18121408
Level 2
Fill in the blanks.
Adam has some stickers.
Adam gives some stickers away.
The number of stickers now is a decrease of 25% compared to what Adam has at first.

  1. Number of stickers that Adam has at first = _____ u
  2. Number of stickers that Adam gives away = _____ u
  3. Number of stickers that Adam has in the end = _____ u
3 m
Percent to units Units method
177 P6.RA.TL.16010140
Level 2
Carl bought some mangosteens and soursops in the ratio of 1 : 4 . After buying another 24 fruits each, the ratio becomes 5 : 12. Find the number of mangosteens and soursops he has now.
2 m
Ratio to units Unchanged difference Units table
178 P6.DE.JC.17032804
Level 2 PSLE
Part of a scale is shown. What is the value of the reading at X?
2 m
D Number line D 4 operations Fraction to decimal Units method
179 P6.FR.JO.21042230
Level 1 PSLE
Nina used 14 kg of flour to make muffins and 12 kg of flour to make biscuits. After that, she had 200 g of flour left. How many kilograms of flour did she have at first?
2 m
F Addition & subtraction Fractions with units Mass Unit conversion
180 P6.RA.TL.16010111
Level 2
Mark and Nick shared some beads in the ratio of 4 : 7. After both each gave away 47 beads to their younger brother, the ratio of the number of beads Mark had to the total number of beads left was 1 : 3. How many beads did the two boys have at first?
2 m
Ratio to units Unchanged difference Units table

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