321 P6.ST.JC.18121464
Level 3
Fill in the blanks.
Adam spends 15 of his money on 4 stickers and 5 marbles.
Each marble costs twice as much as each sticker.
Let the cost of 1 sticker be 1 u.

  1. Cost of 1 marble = _____ u
  2. Amount that Adam has spent = _____ u
  3. Amount that Adam has left = _____ u
  4. Amount that Adam has at first = _____ u
4 m
Fraction of a whole Times as many Units method
322 P5.DA.NK.23052602
Level 2
The bar graph shows the number of notebooks sold in 3 months. The bar that shows the number of notebooks in January is not drawn.
38 of the total number of notebooks sold in the 3 months were sold in January. How many notebooks were sold in January?
2 m
Bar graph Fraction to units Time Units method
323 P6.VO.NK.17052902
Level 2
A cuboid has a square face of area 49 cm2. The ratio of its length to its breadth is 9 : 7. Find its volume.
2 m
Volume of cuboid Surface area Square & square root Ratio to units Units method
324 P5.RD.JM.17083127
Level 2
Marie and Jean had $800 altogether. After Marie gave 15 of her money to Jean, both had the same amount of money. How much money did Marie give to Jean?
2 m
Fraction of a whole Money Equal stage after Internal transfer Unchanged table Units table
325 P2.ST.JC.18120763
Level 3
A + 1 rectangle = 3 rectangles
A + B = 5 rectangles
B + C = A + 5 rectangles

  1. A = _____ rectangles
  2. B = _____ rectangles
  3. C = _____ rectangles
5 m
W Addition & subtraction Units & parts & boxes Substitution
326 P6.ST.JC.18121430
Level 1
Fill in the blanks.
There are some $10 notes and $2 notes.
The ratio of $10 notes and $2 notes is 4 : 7.

  1. Number of $2 notes = _____ u
  2. Number of $10 notes = _____ u
  3. Total value of $2 notes = _____ u
  4. Total value of $10 notes = _____ u
4 m
Ratio to units Number x value Units table
327 P6.RD.TL.16010104
Level 2
Wendy's father's weight to her weight is 8 : 3. If Wendy puts on 60% more weight, by what percentage must her father's weight be reduced by so that their total weight remains unchanged as before? Correct the answer(s) to 1 decimal place.
2 m
D Place values D Round off Ratio to units Percent of a whole Finding percent Unchanged total Units table Decimal units
328 P5.PC.JM.17083129
Level 2
If 20% of a number is 40, what is 35% of the number?
2 m
Percent of a whole Units method
329 P2.ST.JC.18120764
Level 3
A = 4 C
B - 2 C = A + A + 3 C
B = ? C
5 m
W Addition & subtraction Units & parts & boxes Substitution
330 P3.DA.JM.17103018
Level 2
The graph shows the number of marks each child scored for their Math test. How many marks did Paul score if Luke scored 54 marks more than John?
2 m
Bar graph W Multiplication & division Model Comparison Units method
331 P6.ST.JC.18121431
Level 2
Fill in the blanks.
There are some $10 notes and $2 notes.
The ratio of $2 notes and $5 notes is 4 : 7.

  1. Total number of notes = _____ u
  2. Difference in the number of $10 notes and $2 notes = _____ u
  3. Total value of notes = _____ u
  4. Difference in the value of $10 notes and $2 notes = _____ u
4 m
Ratio to units Number x value Units table
332 P6.RA.JC.17050709
Level 2
Salik had some $2 notes and $5 notes. The ratio of his $2 notes to $5 notes was 7 : 2. If Salik had a total of $240, how many pieces of notes did he have altogether?
2 m
Ratio to units Money Number x value Units table
333 P6.PC.JC.18010805
Level 1 PSLE
Jade paid $69 for a toaster after a discount of 40%. What was the price of the toaster before the discount?
2 m
Discount Units method
334 P2.ST.JC.18120765
Level 3
A - 1 = 3
A + B = 5
B + C = A + 5

  1. Find A.
  2. Find B.
  3. Find C.
5 m
W Addition & subtraction Units & parts & boxes Substitution
335 P6.RA.TL.16010156
Level 2
The number of $5, $10 and $20 notes in a piggy bank is in the ratio of 2 : 7 : 3. The notes are worth $2520 altogether. Find the total number of $5 and $10 notes.
2 m
Ratio to units Money Number x value Units table
336 P3.ST.JC.18120888
Level 3
Adam has some money to buy 8 stickers but he buys only 5 stickers and has $36 left.
  1. How much does each sticker cost?
  2. How much money does he have?
4 m
W 4 operations Units method
337 P6.ST.JC.18121452
Level 2
Fill in the blanks.
Adam has thrice as many stickers as Chris.
Adam gives 10 to Chris.
In the end, Adam has twice as many stickers as Chris.

  1. Difference in the number of stickers between Adam and Chris at first = _____ u
  2. Difference in the number of stickers between Adam and Chris in the end = _____ u
  3. Difference in the number of stickers Adam has at first and in the end = _____ u
  4. Difference in the number of stickers Chris has at first and in the end = _____ u
4 m
Times as many Unchanged total Units table
338 P6.DA.NK.21060903
Level 2 PSLE
The bar graph shows the number of books borrowed by students in the school library. 14 of the students borrowed 1 book each. How many students borrowed 1 book each?
2 m
Bar graph Fraction to units Units method
339 P6.AP.NK.21060401
Level 2 PSLE
A square is first divided into two equal halves. The bottom half is divided into 5 equal parts while the top half is divided into 3 equal parts. The total area of the shaded parts is 168 cm2. What is the area of the square?
2 m
Square Rectangle Fraction of a whole F Addition & Subtraction Units method
340 P6.RD.JC.22031807
Level 2 PSLE
Sue had a box of black beads and red beads in the ratio 13 : 7. She removed an equal number of black beads and red beads from the box. The ratio of the number of black beads and red beads left in the box became 3 : 1. What percentage of the beads were left in the box?
2 m
Ratio to units Finding percent Equal stage change Unchanged difference Units table

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