Fill in neighboring numbers
Place values: in what place is the number?
In which place is the digit?
What is the value of the number?
Completing the number
What is the value of the digits in the number up to 1,000,000
Divide the number by 2
Use the digits to create the lowest or the highest number
Round off the number
Put the numbers from lowest to highest value
Put the numbers in the correct order
Counting up or down with jumps
Compare the numbers up to 20,000
Compare the numbers up to 100,000
Choose the correct sign
Compare the problem and the number (1)
Compare the problem and the number (2)
Compare the problems
How many cubes do you count (up to 2,000) (multiple choice)?
How many cubes do you count (up to 5,000) (multiple choice)?
How many cubes do you count (up to 2,000)?
How many cubes do you count (up to 5,000)?
How many cubes do you count (up to 10,000) (multiple choice)?
How many cubes do you count (up to 10,000)?
Which normal number is shown in Roman numerals (1)?
Which norman number is shown in binary (1)?
Convert the number to Roman numerals
Convert the number to binary
Which normal number is shown in Roman numerals (2)?
Which normal number is shown in binary (2)?
Addition with Roman numerals
Addition with binary
Subtraction with Roman numerals
Subtraction with binary