161 P2.WN.ED.18011716
Level 1
Given the number 745, what is the value of the digit '4'?
2 m
W Place values W Multiplication & division
162 P4.WN.JM.17102150
Level 1
The height of a tree is about 100 m when rounded off to the nearest ten. What is the lowest possible height of the tree?
2 m
W Place values W Round off Min-max
163 P4.WN.JM.17102151
Level 1
The height of Mount Everest is about 9000 m when rounded off to the nearest thousand. What is the highest possible height of Mount Everest?
2 m
W Place values W Round off Min-max
164 P4.WN.JM.17102147
Level 1
Sock Hoon had about $280 after rounding off the money to the nearest ten. She spent $79. What was the smallest possible amount of money she had left?
2 m
W Place values W Addition & subtraction W Round off Min-max Money
165 P4.WN.JM.17102149
Level 1
The amount of money Tom has is about $800 when rounded off to the nearest $100. What is the greatest possible amount of money that Tom has?
2 m
W Place values W Addition & subtraction W Round off Min-max Money
166 P4.WN.JM.17102253
Level 2
A number when rounded off to the nearest ten gives a value of 24350.
  1. What is the smallest possible number?
  2. What is the largest possible number?
2 m
W Place values W Round off Min-max
167 P4.WN.JM.17102252
Level 2
The number of chairs in the hall is 1500 when rounded off to the nearest hundred.
  1. What is the greatest possible number of chairs in the hall?
  2. What is the smallest possible number of chairs in the hall?
2 m
W Place values W Round off Min-max
168 P6.WN.JC.17082104
Level 1 PSLE
Round off 25 571 to the nearest hundred.
1 m
W Place values W Round off
169 P6.WN.JC.17010104
Level 1 PSLE
Round off 986 593 to the nearest ten thousand.
1 m
W Place values W Round off
170 P6.WN.JC.17010103
Level 1 PSLE
There were 282 075 tourists at a theme park in 2014. Express this number to the nearest thousand.
1 m
W Place values W Round off
171 P2.WN.ED.18011917
Level 1
What is the smallest 3-digit number formed if all the digits given are used?
5, 4, 7
2 m
W Place values Min-max
172 P2.WN.ED.18011918
Level 1
Which number has the smallest value? Give the answer in letter. (Eg a)
  1. 271
  2. 721
  3. 172
  4. 127
2 m
W Place values Min-max
173 P2.WN.ED.18011919
Level 1
Which number has the greatest value? Give the answer in letter. (Eg a)
  1. 879
  2. 986
  3. 886
  4. 769
2 m
W Place values Min-max
174 P2.WN.JC.18022821
Level 1
Write the greatest 3-digit number that can be formed using the digits given.
4, 2, 7
2 m
W Place values Min-max
175 P2.WN.ED.18011920
Level 1
Arrange the following numbers in ascending order. Give the answer in letters. (Eg a, b, c, d)
  1. 971
  2. 719
  3. 791
  4. 917
2 m
W Place values Min-max
176 P2.WN.ED.18011921
Level 1
Arrange the following numbers in descending order. Give the answer in letters. (Eg a, b, c, d, e)
  1. 205
  2. 502
  3. 520
  4. 250
  5. 155
2 m
W Place values Min-max
177 P2.WN.ED.18011922
Level 1
Arrange the following from smallest to greatest? Give the answer in letters. (Eg a, b, c, d)
  1. 435
  2. 543
  3. 345
  4. 453
2 m
W Place values Min-max
178 P2.WN.ED.18011923
Level 1
Arrange the numbers in order. Begin with the greatest. Give the answer in letters. (Eg a, b, c, d)
  1. 372
  2. 723
  3. 237
  4. 732
2 m
W Place values Min-max
179 P4.WN.JM.17102320
Level 3
Tom is thinking of a Y-digit number.
  1. It has '1' as one of the digits.
  2. The digit '2' is in its hundreds place.
  3. The value of the digit '5' is 50.
  4. The digit in the thousands place is twice the digit in the hundreds place.
  5. The digit in the thousands place is 2 times the digit in the ones place.

What number is he thinking of?
3 m
W Place values Times as many
180 P4.WN.JM.17102204
Level 2
Estimate the value of each of the following expressions. Round off the numbers to the nearest hundred before adding or subtracting.

885 + 712 + 499
3 m
W Place values W Addition & subtraction W Round off Estimation

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