Step by step
The question
Question: 35 is 2 tens and how many ones?
35 = 2 tens □ ones
1 Show it with blocks
A ten is 10 ones stuck together.
35 is 3 tens and 5 ones.
2 Break a ten
3 Count the ones
Now there are 5 ones and 10 more ones.
That is 15 ones.
5 + 10 = 15
4 Write the number
So 35 is 2 tens and 15 ones.
35 = 2 tens 15 ones
Careful!
2 tens and 5 ones is only 25.
We must count the 10 new ones.
Careful: not 35 = 2 tens 5 ones ✗
5 Check
2 tens is 20.
20 and 15 make 35.
Yes!
It works.
20 + 15 = 35
Let's look back.
First: show it with blocks.
Then: break a ten.
Then: count the ones.
Then: write the number.
Last: check.
Answer
35 = 2 tens 15 ones