Level 1
Find the following values without a calculator.
  1. 321 + 8 = _____
  2. 24 + 35 = _____
  3. 234 + 123 = _____
  4. 4678 + 211 = _____
1 m
Level 1
Find the following values without a calculator.
  1. 378 - 4 = _____
  2. 37 - 12 = _____
  3. 834 - 123 = _____
  4. 4698 - 235 = _____
1 m
Level 1
What is the missing number in the pattern? 26000, 25450,               , 24350, 23800
1 m
Level 1
Find the following values without a calculator.
  1. 2 tens + 3 = _____
  2. 4 hundreds + 5 = _____
  3. 6 hundreds + 7 tens = _____
  4. 51 tens + 23 tens = _____
1 m
Level 1
What is the missing number in the blank? 2 000 000 + 50 000 + 8 000 + 700 = _______
1 m
Level 1
Find the following values without a calculator.
  1. 1 hundred + 7 = _____
  2. 3 hundreds + 8 tens = _____
  3. 4 thousands + 5 tens = _____
  4. 2 thousands + 12 tens = _____
1 m
Level 1
635 892 = 600 000 + ____ + 5000 + 800 + 92
1 m
Level 1
Find the following values without a calculator.
  1. 3 thousands + 1 hundreds = _____
  2. 12 thousands + 11 hundreds = _____
  3. 1 million + 4 thousands = _____
  4. 1 million + 13 thousands = _____
1 m
Level 1
Round off the sum of 654 and 124 to the nearest hundred.
1 m
Level 1
Add the largest possible 4-digit even number to 824 261. What digit is in the ten thousands place?
1 m
Level 1
Find the difference between 6048 and 365 by first rounding off each number to the nearest hundred.
2 m
Level 1
The figures shows the number of visitors to the National Museum in two months.
January - 49 506
February - 31 385
Round off the number of visitors in each month to the nearest thousand. Then estimate the total number of visitors in the two months.
2 m
Level 2
Find the sum of all the common multiples of 4 and 6 that are less than 25.
2 m
Level 2
Using the digits, form the largest odd and the smallest even 6-digit number. Find the difference between the 2 numbers.
0, 2, 3, 5, 8, 9
2 m
Level 3
The table shows the prices of pens sold in a school bookshop. Jessica wants to buy 26 pens. What is the least amount she will have to pay?
3 m
Level 3
Xinyi had some 20-cent and 50-cent coins which added up to $20.30. She had 14 more 20-cent coins than 50-cent coins. How many 20-cent coins did she have?
4 m