Questions

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11 P6.AG.JC.23100204

Level 2 PSLE
A group of students stood in three rows. The 1^st row had 10w students. The 2^nd row had 3w fewer students than the 1^st row. The 3^rd row had 4 more students than the 2^nd row.

Find the number of students in the 3^rd row in terms of w. Give your answer in the simplest form.
There were 25 students in the 3^rd row. Find the value of w.

2 m

Attempt

12 P6.AG.JC.17033108

Level 2 PSLE
Cindy is y years old. Sarah is three times as old as Cindy and Sarah is 5 years older than Jim.

What is Jim's age in terms of y in years?
If Cindy is 13 years old, how many years older is Jim than Cindy in years?

2 m

Video Attempt

Algebra in 1 variable Algebra simplifying Algebra substitution More than or less than Times as many

13 P6.AG.JC.17033105

Level 2 PSLE
Use the table given to answer questions (a) and (b).

What was the total number of muffins sold last week?
Express your answer in terms of w in the simplest form. If w = 20, how many more muffins were sold on Sunday than on Saturday?

2 m

Attempt

Algebra in 1 variable Algebra simplifying Algebra substitution Table More than or less than

14 P6.AG.JC.17080447

Level 2
Tom has a mass of 8r kg. John is 4 kg heavier than Tom. The mass of May is twice the total mass of the Tom and John.

Find the total mass of the 3 children in terms of r.
If r = 2, find the average mass of the 3 children.

2 m

Attempt

Algebra in 1 variable Algebra simplifying Algebra substitution Mass Average More than or less than Times as many

15 P6.AG.JC.17033109

Level 2 PSLE
Andy had 1.4 m of wire. He used some of it to make the figure as shown.

How much of the wire did Andy use to make the figure? Leave your answer in the simplest form in terms of x.
If x = 15, how much of the wire was not used to make the figure? Leave your answer in metres.