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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.

Biggest or smallest number to 20
      
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ROCK FALL game to practice
'Biggest or smallest number to 20' for kindergarten

Kindergarten : Comparing numbers :
Biggest or smallest number: 1 to 20

In this topic you are asked to look at a group of four numbers and decide wich number is the biggest or the smallest. There are four numbers in each group, and the numbers can be as small as 1 and as big as 20. In the second question, you have the group of numbers :

6, 8, 4, 10

Start by looking at the number of digits for each number - one of the numbers has 2 digits (the number 10) but the other three only have one. We know that a 2 digit number like 10 or 12 is bigger than the biggest one digit number which is 9. So, if we are looking for the biggest number we can say straight away that 10 is the biggest number.

If we are looking for the smallest number, we need to compare the three numbers with only one digit, 6, 8 and 4. We know that 4 is a smaller number than 6 and 8 so 4 is the smallest number in the group. So we can say :

10 is the biggest number

4 is the smallest number


In another question from the topic you are shown the following group of numbers :

17, 7, 18, 11

So we use the same technique as last time and look at the number of digits for each number in that list. You will see that one of them has only one digit (the 7), so that must be the smallest number in the group.

There are three numbers in the group that have two digits and start with a 1, so compare their second digit. They are 7, 8 and 1. We know that 8 is bigger than 7 or 1 so the biggest number in the group has to be 18. So we can say :

7 is the smallest number

18 is the biggest number

With our Rock fall math game you will be practicing the topic "Biggest or smallest number to 20" from Kindergarten / Comparing numbers / Biggest smallest 1-20. The math in this game consists of 16 questions that ask you to choose the biggest or smallest number in groups of numbers from 1 and 20.

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
'Biggest or smallest number to 20' for kindergarten

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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