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PONG
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Instructions graphic for math game pong
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Game: PONG

Aim: Break the bricks, score points

Method:
Use your mouse or tap in the white bar to move the paddle horizontally to bounce the ball up the screen. Answer questions when you break the white bricks, score big points with the yellow bricks.

Your final score is based on correct answers, bricks broken and time taken.

3-digit number plus multiple of 10
      
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PONG game to practice
'3-digit number plus multiple of 10' for 2nd grade

Mental calculations: 3 digit numbers plus tens

Learn how to add multiples of ten to 3 digit numbers

When we want to add a smaller number to a bigger number, there are sometimes shortcuts that make it easier. If the smaller number is 10 or a multiple of 10, adding that number to a bigger number just means increasing the tens column of the bigger number by the number of tens you are adding.

So, for instance, if you want to add:

248 + 30

all you need to do is add 3 to the tens column value which is 4, so you get 7 for the tens column. The rest of the big number stays the same, so the total addition looks like this:

248 + 30 = 278

In the same way, adding 419 and 70 gives:

419 + 70 = 489

It is the same idea if you want to add hundreds to 3 digit numbers but this time you would add to the hundreds column value by the number of hundreds you want to add. Adding units is often just going to affect the units column, so for instance, 271 + 5 = 276 because all we had to do was add 5 to the units column value to get an answer.

With our Pong math game you will be practicing the topic "3-digit number plus multiple of 10" from 2nd grade / Addition / Mental calculations. The math in this game consists of 16 questions that ask you to use mental calculations to add the given number of tens to a three-digit number.

Mental calculations: adding units, tens and hundreds to 3 digit numbers

Learn how to add units, tens and hundreds to 3 digit numbers with the sub-category "Mental calculations"

3 topics:
Three digit number plus units
Three digit number plus tens
Three digit number plus hundreds

Sometimes in math the most useful skill you can have is to be able to do complicated sums in your head, but don't worry, it's not magic, there's are techniques you can learn.

When we want to add a smaller number to a bigger number, there are sometimes shortcuts that make it easier. If the smaller number is 10 or a multiple of 10, adding that number to a bigger number just means increasing the tens column of the bigger number by the number of tens you are adding.

So, for instance, if you want to add:

30 + 248

all you need to do is add 3 to the tens column value which is 4, so you get 7 for the tens column. The rest of the big number stays the same, so the total addition looks like this:

30 + 248 = 278

It is the same idea if you want to add hundreds but this time you would add to the hundreds column value by the number of hundreds you want to add. Adding units is often just going to affect the units column, so for instance, 271 + 5 = 276 because all we had to do was add 5 to the units column value to get an answer.

This is our version of the classic early computer game "Breakout" (itself a development of the even earlier "Pong" game - we prefer that name) where a player controls a bar that knocks a ball or puck around the screen.

Large thumbnail for math game Pong

In our version of Pong/Breakout, there are 3 types of bricks for you to break: green bricks are worth just 2 points; yellow bricks are worth a whopping 50 points; breaking white bricks, which are worth 10 points, wins you a math question from the topic you have chosen.

You start with 5 lives. If the ball goes below the paddle, you lose a life and 200 points. The game ends when you answer all 10 questions or lose all your lives.

Notes

  1. This version of Pong is a one player game to learn or revise math
  2. Our PONG for math is a scoring game - play a few times and set a personal best score!
  3. Addictive! You may end up trying to avoid the white bricks so that you can play for longer...
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How to play PONG to practice
'3-digit number plus multiple of 10' for 2nd grade

Free Math Games screenshot of Pong game for elementary

  1. Select the PONG game from the games selection page.
  2. On the settings page there are brief instructions on how to play.
  3. Click on PLAY to enter the game screen.
  4. The clock starts when the bell rings.
  5. Move your mouse (or finger tap or drag in the white bar for touch screens) to move your paddle left and right.
  6. Knock the ball back up the screen to break the bricks.
  7. You start with 1000 points and 5 lives.
  8. You lose 1 point every 2 seconds.
  9. 200 points are deducted from your score for each life lost
  10. Green bricks score 2 point, yellow bricks score 50 points, white bricks score 10 points and open the question screen.
  11. For each question click/tap on the correct answer or enter it using the keyboard.
  12. Wrong answers lose you 25 points but correct answers win you 50 points.
  13. Continue breaking bricks and answering questions until you have cleared all the question bricks.
  14. The game also ends if you lose all 5 of your lives.
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