Skill you are practising: Enter answer One and Tens: Number 1 - 99
We strongly suggest that you do not refresh this page as it resets your progress. Questions will be shown
automatically. Your target is to achieve 10 stars to earn the certificate of mastery for this skill.
Score: 0
Practice time:
00:00:00
Enter the missing numbers
tens + ones =
Enter the missing number
=
Oh no! That was incorrect!
Correct answer:
tens +
ones
Here is an explanation
First, let's check the question
Enter the missing numbers
tens + ones =Enter the missing number
= tens +Your incorrect answer is:
tens +
ones
Next, let's check the solution.
Place value is the basis of our entire number system. A place value system is one in which the position
of a digit in a number determines its value. Check our this example and how we each digit has its own
position in a number:
