Math Lab

Numbers up to 100

Numbers · Class II

Pick any two-digit number and see its tens and ones.

47
type a value
099
Live values
  • Tens4
  • Ones7
  • As tens + ones47
Live readout
Tens4
Ones7
As tens + ones47
Number47

Formulas in this lab

  • Tens
    n/10\lfloor n/10 \rfloor
  • Ones
    nmod10n \bmod 10
  • As tens + ones
    10t+o10t + o
Tip: Every two-digit number is just some tens plus some ones!

Frequently asked questions

What does this lab show about numbers up to 100?

You can pick any number between 0 and 100 and see how many tens and ones it has. For example, 47 has 4 tens and 7 ones. This helps you read and write two-digit numbers correctly.

How do I use the slider for numbers to 100?

Slide to any number you want. The screen splits the number into tens and ones, and shows the bundles. You can also see the number written in words below.

Why are numbers up to 100 important?

100 is a big number used everywhere: a 100-rupee note, 100 marks in a test, or 100 runs in cricket called a century. Knowing every number up to 100 helps you with money, age and class marks.

Did you know about 100?

100 is the smallest 3-digit number. Indian children often celebrate Sachin Tendulkar's 100 centuries. The word century, which means 100, comes from a Latin word centum meaning hundred.