Step by step
The question
Question: count by 10s from 30 to 100.
Count by 10s from 30 to 100
1 Start at 30
Here is a number line.
2 Jump by 10s
Each jump is 10 more.
We say the number where we land.
3 Write the numbers
Now we write them in a row.
We stop at 100.
= 30, 40, 50, 60, 70, 80, 90, 100
4 Check
Look at the ones digits.
They stay 0.
Only the tens change.
Yes!
It works.
ones: 0, 0, 0, 0, 0, 0, 0, 0
Let's look back.
First: start at 30.
Then: jump by 10s.
Then: write the numbers.
Last: check.
Answer
= 30, 40, 50, 60, 70, 80, 90, 100