21 P4.WN.JM.17102256
Level 2
The sum of the smallest and greatest factors of 99999 is _______.
2 m
W Addition & subtraction Factors Min-max
22 P4.WN.JM.17102447
Level 3
The sum of Beatrice's age and her younger sister's age is 26. The product of their ages is 144. What is Beatrice's age in 20 years' time?
3 m
Factors Guess & check
23 P4.WN.JM.17102235
Level 3
The sum of all the factors of 20 is the 6th multiple of a number. What is the number?
3 m
Multiples Factors
24 P4.WN.JM.17102233
Level 2
B is a number. It is a factor of 30 and also a multiple of 6. What is/are the possible values of B? Give your answer(s) in numbers. (Eg 1 or 1, 2)
3 m
Multiples Factors
25 P4.WN.JM.17102153
Level 1
What is the largest 5 digit number that has 5 as one of its factors and is less than 100000?
3 m
Factors Min-max More than or less than
26 P6.WN.JC.17010106
Level 1 PSLE
Write down all the common factors of 14 and 18. Give the answer(s) in ascending order. (Eg 1, 2, 3)
1 m
Common factors
27 P5.AP.NK.23012634
Level 3
The figure shows four rectangles Q, R, S and T not drawn to scale. The areas of rectangles Q, R and S are 30 cm22, 40 cm22 and 24 cm22 respectively. What is the area of rectangle T?
4 m
Rectangle Rectilinear figure Factors
28 P4.AP.JM.17100244
Level 3
The figure is made up of 4 rectangles. Find the perimeter of the whole figure.
4 m
Rectangle Rectilinear figure Common factors
29 P4.AP.NK.23050841
Level 3
The figure is made up of 4 rectangles. The lengths and breadths of each rectangle are in whole numbers. Find the area of the shaded rectangle.
4 m
Length Rectangle Rectilinear figure Common factors
30 P3.WN.JM.17110702
Level 2
Two numbers have 8 as their common factor. What are the 2 smallest possible numbers? Give the answers in numbers. (Eg 1, 2)
2 m
Multiples Common factors Min-max

5 per page

10 per page

20 per page

Symbols

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