Count by 2s from 2 to 12 Easy

The question

Question: count by 2s from 2 to 12.

1 Start at 2

Here is a number line.

2 Jump by 2s

Each jump is 2 more.

We say the number where we land.

3 Write the numbers

Now we write them in a row.

We stop at 12.

4 Check

Look at the ones digits: 2, 4, 6, 8, 0, then again.

They make a pattern.

Yes!

It works.

Let's look back.

First: start at 2.

Then: jump by 2s.

Then: write the numbers.

Last: check.

▶ Watch it solved

Count by 2s from 6 to 20 Medium

The question

Question: count by 2s from 6 to 20.

1 Start at 6

Here is a number line.

2 Jump by 2s

Each jump is 2 more.

We say the number where we land.

3 Write the numbers

Now we write them in a row.

We stop at 20.

4 Check

Look at the ones digits: 6, 8, 0, 2, 4, then again.

They make a pattern.

Yes!

It works.

Let's look back.

First: start at 6.

Then: jump by 2s.

Then: write the numbers.

Last: check.

▶ Watch it solved

Count back by 10s from 90 to 40 Harder

The question

Question: count back by 10s from 90 to 40.

1 Start at 90

Here is a number line.

2 Jump by 10s

Each jump is 10 less.

We say the number where we land.

3 Write the numbers

Now we write them in a row.

We stop at 40.

4 Check

Look at the ones digits.

They stay 0.

Only the tens change.

Yes!

It works.

Let's look back.

First: start at 90.

Then: jump by 10s.

Then: write the numbers.

Last: check.

▶ Watch it solved