Place value: tens and ones

Using base 10 blocks to help with 2-digit numbers.

Using part whole models to help with understanding numbers between 11 and 19.

Finding how many groups of tens and ones there are in a number.

Finding how many groups of tens and ones there are in a number.

Complete the part-whole models with tens and ones.

Finding how many groups of tens and ones there are in a number.

Partitioning numbers using a place value chart.

Fill in the missing numbers to complete the part whole models.