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Underground Puzzle game

How to Play Underground Puzzle

Collect gems as you climb. Bats will take your gems if you hit them. The ten-frame shows your jewels so you can connect the picture to an addition equation within 10.

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Cavern is an addition game. You climb a cave collecting jewels and dodging bats, then add using a ten-frame.

What is Underground Puzzle?

Collect gems as you climb. Bats will take your gems if you hit them. The ten-frame shows your jewels so you can connect the picture to an addition equation within 10.

How to play Underground Puzzle

Click or tap to move and answer.

Step by step

  1. Climb through the cave.
  2. Collect jewels.
  3. Avoid the bats.
  4. Look at the ten-frame.
  5. Pick the matching addition.

Strategy tips to play better

  • Steer clear of bats, they cost gems.
  • A full ten-frame row is 5.
  • Count the empty boxes to see how many more make 10.

What kids learn

  • Addition within 10
  • Ten-frames
  • Focus

For parents and teachers

For ages 5 to 7, with a bit of adventure to keep them going.

Tips & Tricks

Beginner

Count jewels one at a time.

Pro

Read the ten-frame at a glance.

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Educational Importance

Ten-frames help children see how numbers relate to 5 and 10.

Practical Applications

Ways to use it:

Use CaseDescription
AdditionWithin 10.
Making 10Count empty boxes.
CentresIndependent play.

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Underground Puzzle FAQ

What maths does Cavern teach?

Addition within 10.

What do bats do?

They take away your gems.

Is it free?

Yes, it is free to use in the browser with no sign-up.

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