Unlock harder levels by getting an average of 80% or higher.

Earn up to 5 stars for each level
The more questions you answer correctly, the more stars you'll unlock!

Each game has 10 questions.
Green box means correct.
Yellow box means incorrect.

Unlock harder levels by getting an average of 80% or higher.

Earn up to 5 stars for each level
The more questions you answer correctly, the more stars you'll unlock!

Each game has 10 questions.
Green box means correct.
Yellow box means incorrect.

More Ways To Use Math Games
Game Quickplay
Video Help

Need some help or instruction on how to do this skill?

Offline Worksheets

Want a paper copy? Print a generated PDF for this skill.

Top Mathematicians Leaderboards

See how you scored compared to other students from around the world.

Start a MathJam

Learn Math Together.

Math Games for Teachers

Grade 1 - The Number System

Standard 1.NS.1.1 - Practice counting groups of tens up to 120.

Included Skills:

Students will be expected to say the number sequence by
1s, forward and backward between any two given numbers, 0 to 100
2s to 20, forward starting at 0
5s to 100, forward starting at 0, using a hundred chart or a number line
10s to 100, forward starting at 0, using a hundred chart or a number line

Performance Indicators
- N01.01 Recite forward by 1s the number sequence between two given numbers, 0 to 100.
- N01.02 Recite backward by 1s the number sequence between two given numbers, 0 to 100.
- N01.03 Record a given numeral, 0 to 100, presented orally.
- N01.04 Read a given presented numeral, 0 to 100.
- N01.05 Skip count by 2s to 20 starting at 0.
- N01.06 Skip count by 5s to 100 starting at 0, using a hundred chart or a number line.
- N01.07 Skip count forward by 10s to 100 starting at 0, using a hundred chart or a number line.
- N01.08 Identify and correct errors and omissions in a given number sequence.

If you notice any problems, please let us know.