A two-digit number is made of tens and ones. In 34, the 3 means 3 tens, which is 30, and the 4 means 4 ones. So 34 is 30 and 4.
Ten ones make one ten. If you have 10 cubes, you can snap them into one tower of ten. Numbers like 10, 20 and 30 are only tens, with 0 ones.
Worked example
How many tens and ones are in 52?
- The first digit, 5, is the tens: 5 tens is 50.
- The second digit, 2, is the ones.
Answer:5 tens and 2 ones
Key words
- digit
- one of the signs 0 to 9 we use to write numbers
- tens
- groups of ten
- ones
- single things left over
Practise this
New questions every time.
Common Core-referenced: 1.NBT.B.2