Lesson 1: Numbers to 20

Want to add big numbers? Let's learn 10's and 1's now!

Groups of ten! (10)

If we have 10 things, we can make a lot of ten out of them!

10

11 to 15

After ten, we'll add "one" to the other. Look!

11
12
13
14
15

More numbers: 16 to 20

There's more to add to the pile of ten!

16
17
18
19
20

Activity: Let's count tens and ones!

See groups of ten and groups of one, choose the right number!

You are very talented!

Ready to learn even more or play some fun math games?

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