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ROCK FALL
PLAY
Click / tap on each falling rock. Answer the question in the box as quickly as you can.
There are only 4 questions in this game so it is quite short... if you can get those rocks!

Your final score is based on number of questions answered right / wrong, and the time taken.
...

Game: ROCK FALL

Aim: Smash all the falling rocks

Method:
Click / tap on each falling rock. Answer the question in the box as quickly as you can.
There are only 4 questions in this game so it is quite short... if you can get those rocks!

Your final score is based on number of questions answered right / wrong, and the time taken.

Triangular numbers
      
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ROCK FALL game to practice
'Triangular numbers' for 5th grade

Triangular numbers

In this topic you are asked to look at a series of numbers from the Triangular numbers series and fill in the missing number.

Triangular numbers are a sequence of numbers that can be arranged in the shape of a triangle. The first triangular number is 1, the second is 3, the third is 6, the fourth is 10, and so on.

To understand how these numbers work, imagine arranging objects in the shape of a triangle.

o
o o
o o o
o o o o
o o o o o

For example, if you arrange 3 objects, you can make a triangle with one object at the top and two objects on the next row. If you arrange 6 objects, you can make a triangle with one object at the top, two objects on the second row, and three objects on the third row.

The equation for working out the nth value in the series is Tn = 1 + 2 + 3 + ... + n

Triangular numbers show up in many places in math and science, from counting the number of dots in a triangular grid to understanding the properties of certain types of molecules.

With our Rock fall math game you will be practicing the topic "Triangular numbers" from 5th grade / Pattern / Missing term. The math in this game consists of 17 questions that ask you to pick the missing number in these patterns of triangular numbers.

Click / tap on rocks and answer math questions to win the game

Large thumbnail for math game Rock fall

ROCK FALL is based on the road traffic warning sign for falling rocks - a sign that seems a bit less useful than somebody getting up there on that cliff and actually doing something about it... Anyway, the rocks are falling and it is your job to stop them hitting the road below, or at least stopping them hitting the road below too many times and breaking it. Smash the rocks by clicking or tapping on them (not so easy in real life of course) - they will turn into snowflakes and float gently down into nothing.

There are 4 rocks to stop and not much time to do it (if you want to get a good score and get on the leaderboard). This game is fun and fast and requires good reflexes and a good strategy. Plan to break the smaller rocks first if you want a good score because the rocks fall faster as the game progresses. It also helps to decide where on their path you plan to click / tap the rocks.

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How to play ROCK FALL to practice
'Triangular numbers' for 5th grade

Free Math Games screenshot of Rock fall game for elementary

There are rocks falling from an unstable cliff. You need to break the rocks by clicking / tapping on them...

  1. Press "PLAY" on the settings page to open the game page.
  2. There is a short countdown before the game starts.
  3. Rocks start falling from the cliff.
  4. Click or tap on a rock to break it into a snowflake - a question box will open with up to 4 multiple choice answers or an on-screen keyboard.
  5. Enter or click/tap the correct math answer to close the question box.
  6. Rocks fall faster as the game progresses.
  7. Clear all the rocks to finish the game.
  8. It is a good idea to hit the small rock first as it gets much harder if you leave it until later.
  9. This is a timed game and your score is calculated by adding 10 seconds for each wrong answer to your game time.
  10. If you get one of the 10 best times for the topic you can add your name to the leaderboard for your chosen topic.
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