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MIX AND MATCH
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Drag the question block over the right answer box to tidy up the play room. Points are added and taken away automatically.

Click the answer boxes to hear the answer for each box. You must answer 5 questions correctly to complete the game
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Game: MIX AND MATCH

Aim: Drag question blocks to answer boxes

Method:
Drag the question block over the right answer box to tidy up the play room. Points are added and taken away automatically.

Click the answer boxes to hear the answer for each box. You must answer 5 questions correctly to complete the game

Number of sides from exterior angle
      
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MIX AND MATCH game to practice
'Number of sides from exterior angle' for 7th grade

Regular polygon: calculate the number of sides from the exterior angle

The exterior angle of a polygon is the angle made by one side of the polygon and the extension of the next side of the polygon. By applying the angles on a straight line rule, we know that the interior angle plus the exterior angle sum to 180°. The sum of the exterior angles of polygons is always 360°.

This topic deals with regular polygons. Regular polygons have equal length sides and each of their interior angles is identical. Examples of regular polygons are equilateral triangle, square, regular hexagon, etc. Because their interior angles are identical, their exterior angles are also identical. The formula for calculating the number of sides of a regular polygon given it's exterior angle is:

Number of sides = 360° / E

(where 360° = total of exterior angles and E = exterior angle of polygon)

So, for a regular polygon with an exterior angle of 120°, the number of sides is:

360° / 120° = 3

For a regular polygon with an exterior angle of 90°, the number of sides is:

360° / 90° = 4

For a regular polygon with an exterior angle of 72°, the number of sides is:

360° / 72° = 5

With our Mix and match math game you will be practicing the topic "Number of sides from exterior angle" from 7th grade / Geometry & measures / Polygons / Polygons. The math in this game consists of 16 questions that ask you to use the exterior angle to calculate the number of sides for each regular polygon.

Drag the question block to the correct answer box to tidy the play room

In this game we are in a room with lots of toys - and the room needs clearing up - you need to put the play blocks back in the right boxes to tidy the room and win the game...but which is the right box for each block? Well, you can work that out by comparing the question on the block with the math answer on each of the boxes - you should drag the question block into the box whose math answer matches the picture question.

Large thumbnail for math game Mix and match

You can listen to the spoken math answer by clicking on the individual boxes. There are 5 blocks to clear up - but if you put them in the wrong boxes, there will be more... Anyway, tidy is good and practicing math is better so start now and see how you get on...

This game reinforces the math you learned or revised in the lesson by asking you to match each question to the correct answer. If you are older you may not like the childish reference to toys, but don't worry - there are other games to play, and who knows - you might like a trip down memory lane?

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How to play Mix and match to practice
'Number of sides from exterior angle' for 7th grade

Free Math Games screenshot of Mix and match game for secondary

There are 5 blocks that need putting away to tidy the play room. Drag (they are heavy...) the blocks to the correct boxes.

  1. Click on "PLAY" on the settings page to start the game
  2. You see the first question block and 3 boxes to put it into
  3. On each box is a possible math answer to the question
  4. Click on any answer box to hear the spoken audio for that answer
  5. Drag the question block to the answer box where it belongs
  6. If you are correct, the block will stay in the box, the ball will roll and the teddy bear will do a little jump
  7. If you are wrong, a wrong sound will play and the question block will jump back to where it was, and you can try again
  8. Clear all 5 question blocks to complete the game
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