101 P6.SP.TL.18012229
Level 3
Machine X takes 5 minutes to cut 85 pieces of lumbers. Machine Y takes 15 minutes to cut 120 pieces of lumbers. Machine Z takes 10 minutes to cut 120 pieces of lumber.
  1. Which is the faster combination, X and Y or Y and Z? (Eg A, B)
  2. In 1 minute, how many more pieces of lumbers can be cut by the faster combination compared to the other combination?
3 m
Rate more than 1 object Duration More than or less than
102 P6.PC.TL.16010128
Level 3
The number of lemons a fruit seller bought in December was 30% more than in November. In January, he bought 50% less lemons than in December. If there were 3577 more lemons in November than January, how many lemons did the fruit seller buy in November?
3 m
Percent to units Percent of different bases More than or less than Repeated identity Units table
103 P6.AG.JC.17080456
Level 2
A pen costs $z while a book costs 90¢ less than the pen.
  1. What is the cost of 2 pens and 1 book? Express your answer in terms of p in its simplest form.
  2. Abel wants to buy 2 pens and 1 book but is short of 30 cents. If the book costs $1.10, how much money does Alex have?
3 m
Algebra in 1 variable Algebra simplifying Money Unit conversion More than or less than
104 P6.PC.TL.16010113
Level 3
In an office tower of 600 workers, 35% of the staff is the same as 70% of the number of visitors. How many less visitors than staff are there in the office tower?
3 m
Percent to units More than or less than Common numerator Units method
105 P6.AG.JC.17080464
Level 3
The total mass of Cindy, Jen and Marvin is 15p kg. Cindy has a mass of 5p kg. Jen is 2 kg heavier than Cindy.
  1. What is Marvin's mass in terms of p?
  2. If p = 10, what is Marvin's mass?
3 m
Algebra in 1 variable Algebra Substitution Mass More than or less than

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