Missing Digits

A Maths Starter of The Day

Each red box represents a missing digit. Can you find out what they are?

13 x 2 = 28

195 x 5 = 1725

29 x 38 = 3102

3 x 38 = 2444

53 x 97 = 68971

144 x 29 = 115576

 

 

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Keywords: Starter | Arithmetic | Problem Solving

  • Miriam Candelaria, Toa Baja, Puerto Rico
  • Saturday, December 01, 2007
  • "It is fun and a great day starter. I would really appreciate the answer key, though. "
  • Transum,
  • Sunday, December 02, 2007
  • "Thanks Miriam, you'll find the answers to most starters right at the bottom of the page."
  • Helsby High School, 10y4
  • Wednesday, January 09, 2008
  • "Most of the class thought this was a good starter. Thank You"
  • Amal (yr6)london, Colville Primary School
  • Friday, December 04, 2009
  • "This starter of the day was brilliant!"
  • Mrs O'hagan's 3rd Yr Class, Holyrood Sec School Glasgow
  • Tuesday, December 15, 2009
  • "We enjoyed the activity and would like similar but even more challenging!"

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This starter has scored a mean of 3.4 out of 5 based on 80 votes.

 

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Answers

13 x 22 = 286

195 x 55 = 10725

229 x 138 = 31602

63 x 388 = 24444

753 x 907 = 682971

1544 x 729 = 1125576

Note to teacher: Doing this activity once with a class helps students develop strategies. It is only when they do this activity a second time that they will have the opportunity to practise those strategies. That is when the learning is consolidated. Click the button above to regenerate another version of this starter from random numbers.