21 P6.ST.NK.18121469
Level 3
Fill in the blanks in whole numbers or decimals.
2 boys, Adam and Bryan, share some stickers.
Bryan has 20% of the total.
If Bryan gives away some stickers,
his number of stickers decreases by 25%.

  1. Number of stickers that Bryan has at first = _____ u
  2. Change in the number of stickers that Bryan has = _____ u
  3. Number of stickers that Bryan has in the end = _____ u
  4. Number of stickers that Adam has in the end = _____ u
4 m
Percent of a whole Percent change by Percent to units Unchanged quantity Units table Decimal units
22 P6.ST.JC.18121449
Level 3
Fill in the blanks in whole numbers or decimals.
2 boys, Adam and Bryan, share some stickers.
Bryan has 20% of the total stickers.
If Bryan receives extra stickers,
his number of stickers increases to 30%.

  1. Number of stickers that Bryan has at first = _____ u
  2. Change in the number of stickers that Bryan has = _____ u
  3. Number of stickers that Adam has at first = _____ u
  4. Number of stickers that Adam has in the end = _____ u
4 m
Percent of a whole Percent change to Percent to units Unchanged quantity Units table
23 P6.MS.JC.18081010
Level 1
Find the following values without a calculator.
  1. Express 100 mℓ as a percentage of 2 ℓ.
  2. Express 2000 mℓ as a percentage of 1 ℓ.
  3. Express 30 min as a percentage of 2 hours.
  4. Express 2 min as a percentage of 30 seconds.
2 m
Percent of a whole F Multiplication Time Length Mass Volume
24 P6.MS.JC.18081011
Level 1
Find the following values without a calculator.
  1. 13 x 360° = ______ °
  2. _____ x 360° = 90° (Give the answer in fraction.)
  3. 10% x 360° = _____ °
  4. ____% x 360° = 180° (Give the answer in fraction.)
2 m
Fraction of a whole F Simplest form F Multiplication Percent of a whole Pie chart Compass
25 P5.PC.NK.23021708
Level 1
Olivia took a college loan of $81 000 from the bank. She paid 4.1% interest to the bank in the first year. How much interest did she pay the bank in the first year?
2 m
Percent of a whole Interest Money Units method
26 P5.PC.JM.17083125
Level 3
A pool was 60% full with water. When 40% of the water was drained, 72 ℓ of water remained in the pool. How much water can the pool hold?
3 m
Percent of a whole Percent of different bases Volume
27 P6.PC.TL.16010118
Level 3
Vincent always saves 30% of his monthly salary. His salary for December was 40% less than that for November. His savings for December decreased by $138 as a result. What was his salary in November?
3 m
Percent of a whole Percent to units Percent of different bases Money More than or less than Units table Decimal units
28 P5.PC.JM.17083145
Level 2
Ginny spent 40% of her money on a school bag. She spent 25 of the remainder on some stationeries. What percentage of her money was left?
2 m
Finding percent Percent of a whole F Multiplication Remainder concept Branching
29 P6.PC.JC.22031502
Level 2 PSLE
Jane bought 2 fans of the same model at a sale. She paid $144.50 for them.
  1. What was the price of a fan before discount?
  2. Tom also bought 2 such fans at the price before discount. How much more did Tom pay than Jane?
3 m
Percent of a whole Discount More than or less than Units table
30 P6.SP.JC.17053049
Level 3
Tank A measuring 54 cm by 14 cm by 25 cm contains 4.7 ℓ of water. It is being filled with water flowing from Tap X at 0.9ℓ/min and Tap Y at 995 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank A till it is 75% full? Correct the answer to 1 decimal place.
3 m
Rate more than 1 object Unit conversion Volume Volume of cuboid Filling tank D Place values D Round off Percent of a whole

5 per page

10 per page

20 per page

Symbols

x2
x3
₵
$
⊥
//
∠
°
π
%
:
\[ \]
STUDENT
Navigations
Contact Us
Members
Links