Estimate Answers Speed Challenge

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Estimate Answers Speed Challenge - Challenge, competition, accuracy, rounding

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  • I don't understand how 17+ 39 from list 1 can be estimated to an answer of 50-60? How is this within an allowable range?  Every answer is subtraction when the Qs in the challenge are addition? Is there an inverse skill as well?  I am very confused!

    , Nov 19th
    • Hi schooling2,
      I am really sorry to hear about this mistake, and I apologise if it has caused you any trouble. It will be changed shortly!

      , Nov 19th
    • Hi there schooling2,
      Thank you for spotting this! Our lovely teacher and design teams have fixed the mistake and emailed the corrected resource to you! It will also be updated on the website very soon - I hope you find it useful!

      , Nov 19th
  • This still hasn't be changed. The answers are all wrong!

    , Nov 4th
    • Hi erialcrobo,
      Thank you very much for commenting! It's great to hear from you :)
      This activity is for estimating answers quickly so the answer sheet gives an allowable range rather than a single answer. I hope this clears up the confusion!

      , Nov 4th
  • The answer sheet is for something completely different?

    , Jun 7th
    • Hi Clarem1988,
      I am really sorry to hear about this mistake, and I apologise if it has caused you any trouble. It will be changed shortly!

      , Jun 7th
    • Hi there,
      This activity is for estimating answers quickly so the answer sheet gives an allowable range rather than a single answer. I hope this clears up the confusion!

      , Jun 8th
Estimate Answers Speed Challenge

Estimate Answers Speed Challenge - Take the speed challenge - how many points can you score with your fast and accurate estimation skills!
This resource is available in Standard and Editable.
  • Homepage » Key Stage 2 » Maths » Calculations
  • Homepage » Home Education » Maths
  • Homepage » Home Education » Maths » Problem Solving/Challenges
  • Homepage » 2014 National Curriculum Resources » Maths » Keystage 2 » Year 4 » Number - Addition and Subtraction » Estimate and use inverse operations to check answers to a calculation
  • We love to hear your ideas! If you’d like to see another version of this resource, you’ve had a great idea for how we could improve it or you’ve spotted a mistake then let us know by filling in your details below.

    Please try to be as specific as you can :)

    • Twinkl updated the Main Version on Nov 19th
    • Twinkl added Editable Version on Jan 12th

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