411 P5.ST.JC.18121147
Level 2
Adam pays $900 for a TV set at a discount of 10%.
  1. What is the usual price of the TV set?
  2. Bryan pays $800 for the TV set. What is the percentage discount that is given to Bryan?
3 m
Percent of a whole Discount Units method
412 P5.ST.JC.18121148
Level 3
Adam wants to buy a TV set.
The usual price of the TV set is $1000.
There is a storewide promotional discount of 20%.
As a privileged card member, he is entitled to another 10% discount of the discounted price.
How much does he pay for the TV set in all?
3 m
Percent of a whole Discount Percent of different bases Units method
413 P6.DA.NK.21060909
Level 2 PSLE
The bar graph shows the number of storybooks read by a class from January to April. The number of storybooks read is not shown on the scale.
  1. What was the percentage increase in the number of storybooks read from January to February?
  2. The average number of books read in a month from January to April was 25. How many books did the class read in April?
3 m
Bar graph Percent change by Average Units method
414 P6.AG.JC.17080466
Level 3
Lina and Wendy went shopping. After Lina spent $85j, Wendy had 5 times as much as Lina. If Lina had $21j more than Wendy at first,
  1. Express the amount of money that Lina had at first in terms of j.
  2. If j = 10, find the amount of money that the two ladies had left after shopping.
3 m
Algebra in 1 variable Algebra simplifying Algebra substitution More than or less than Times as many Units method
415 P5.ST.JC.18121149
Level 1
Adam wants to buy a TV set. The usual price of the TV set is $1000.
He needs to pay a GST of 10%.
  1. How much is the GST?
  2. How much does he pay for the TV set in all?
2 m
Percent of a whole GST Units method

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