Approximate the square root of a number between 10 and 99 by determining the two consecutive whole numbers it is between.

Find the square root of a perfect square between 16 and 144.

Find the least common multiple of three numbers.

Find the greatest common factor of three numbers.

Identify prime numbers between 2 and 31.

Round a four- or five-digit number to the nearest 100 or 1000.

Round a two-digit number to the nearest 10.

Divide a three- or four-digit number by a one-digit number.

Multiply a three-digit number by a one-digit number.

Subtract a two-digit number from a three-digit number.

Add a two-digit number to a three-digit number.

Topic 8 - Operations with Whole Numbers (FR)