Partitioning into tens and one. Here are some numbers under 100. Can you partition them into tens and ones? 43, 61, 89, 35. Let’s see how many tens and ones are in each number.

Work out what each picture is representing, first. A - The part-whole model shows 500 + 20 + 3. That equals 523! B - There are 5 hundreds, 3 tens and 2 ones in the place value counters. That ...