Estimating%20multiplication%20problems

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Estimating multiplication problems

• Please read the instructions first!!

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How to play

• This game is best for two or even better two
  pairs of players Teams A and B
• Take turns to estimate the multiplication
  problems and click on the correct estimate. You
  need to make a close guess, and do not have to
  work out the exact answer.
• You must explain to the other team why you think
  you are correct and how you worked it out.

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Team A! Look at the multiplication problem and
the three estimates. Click the one you think is
nearest.

• More than 500
• Between 400 and 500
• More than 600

• 23 x 23
• Explain how you worked it out!

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You guessed well !!!! 23 x 23 529

• Now it is time for the Team B to have a go.
  Please click on the foot for the next problem.

5
OOOPS! Please try again. Click on the inch to go
back to the question.
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Here is the second problem for team B this time

• Between 850 and 900?
• Between 800 and 850?
• Between 750 and 800?
• Click on your estimate!

• 58 x 15
• How did you work it out?
• Tell the other team!

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You guessed well !!!! 58 x 15 870

• Now it is time for the Team A to have another
  go. Please click on the knotted rope for the next
  problem.

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Sorry! Please try again. Click on the balance to
go back to the question.
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Here comes the third estimate for Team A!
Between 1750 and 2000?
Between 2000 and 2499?
More than 2500?
75x28
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Thats a brilliant estimate !!!! 75x28 2100
Which is between 2000 and 2499!

• Now it is time for team B to have a go. Please
  click on the armspan for the next question.

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Please have another go at estimating. Click on
the water clock to go back to the question.
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Team B please try estimate problem number four!

• Between 400 and 450
• Between 450 and 500
• More than 500

• 75 x 28

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Well done! You are getting good at this! 75 x 28
476

• The soldiers step will take Team A to the next
  estimate.

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Please have another guess!The spoon will return
you to the problem page
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Now the fifth estimate is for team A! We are
trying to make them a bit more difficult each
time.
14 x 57
Between 750 and 800
Between 800 and 850
Between 850 and 900
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Just right! A brilliant guess! 14 x 57 798

• Team B must whizz onto the hour glass and go to
  the next problem!

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Go on! Have another guess!The hand span is
waiting to take you back!
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Number six is here to tax team Bs brains and
make their cells buzz!

• Between 950 and 999
• Between 1000 and 1050
• Between 1050 and 1100

• 57 x 19

A brain cell
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You are stars! 57 x 19 1083 is the correct
answer!

• Team A must jump in the bucket to be beamed to
  the next problem!

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AAAAAAArgh!!!! Error! Error!

• Please return to the question by using the bowl.

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Are you ready team A for problem number seven?

• Between 400 and 450
• Between 450 and 500
• Between 500 and 550

• 13 x 37

Who am I?
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Correct! Well done! Whizzo! 13 x 37481

• Now it is time for team B to press on the
  candle clock (make sure you dont get burned!) to
  discover their next problem!

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Oh dear! Im sure you didnt mean to press that
one. Please put the thimble on to return to the
problem

• What can a thimble be used to measure? What
  is a thimble really for? Where can you still find
  them? Who still uses them?

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The little problem for Team B!!

• Between 999 and 1299
• Between 1299 and 1600
• Between 1601 and 1750
• We are good at multiplying!

• 83 x 19

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You are so right!! 83 x 19 1577

• You are now ready to play
• Estimating Connect Four
• a game of skill, ingenuity
• and your knowledge of
• multiplying big numbers!
• Team B need to get close to
• the bacteria to find their
• last problem!
• We are good at multiplying!

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Oh no! You have made a slip at the last moment!

• Dont despair! Take the cubit back to the
  problem and try again.

Soon you will multiply as well as us!!
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The last problem for Team A!!

• 36 x 44
• We hope you have kept on explaining to each
  other how you worked out your estimate!!!

• Between 1300 and 1450
• Between 1451 and 1550
• Between 1551 and 1999

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Wow! Youre right!36 x 44 1584

• Well done team A! You are now ready to play
• Estimating Connect Four
• a game of skill, ingenuity
• and your knowledge of
• multiplying big numbers! Here are two stars!
  You can pin them on and tell team B to click on
  the horncup to get their last problem.

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EEEEEEEEK! We are sure that was a slip of the
finger.

• Weigh your mouse in the Egyptian scales to
  return to the problem.

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Are you ready for your last brain taxing problem?

• 73 x 17

• Less than 1200
• Between 1201 and 1250
• More than 1250

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73 x 17 1241

• Well done team B! You are now ready to play
  Estimating Connect Four a game of skill,
  ingenuity and your knowledge of
• multiplying big numbers! Here are two stars!
  You can pin them on and clicking them will take
  you back to the beginning of the game!!

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Sorry you have to try again!

• The Builders rod will take you back. Good
  luck next time!