Level 2
Find the sum of all the even numbers from 1 to 242.
2 m
Level 2
Find the sum of the even numbers ranging from 1 to 50.
2 m
Level 2
When all the even numbers from 2 to 20 are added up, what is the digit in the ones place?
2 m
Level 3
Find the sum of all the even numbers between 99 and 111.
4 m
Level 3
Find the sum of all the even numbers from 40 to 242.
3 m
Level 3
A baby snake which is 4 cm long grows longer by 2 cm on the first day, 4 cm on the second day, 6 cm on the third day, 8 cm on the fourth day and so on. If it continues to grow at this rate, how many days will it take to grow to a length of 0.6 m?
4 m
Level 3
Study the image. Find the missing number.
4 m