Missing Digits

A Maths Starter of The Day

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

10 x 1o = 12o

888 x 1o = 1o656

2o0 x o22 = 88o20

o7 x 5o7 = 29o69

o47 x 6o7 = 49o779

1o95 x o70 = 11o6650

 

 

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Keywords: Starter | Arithmetic | Problem Solving

"It is fun and a great day starter. I would really appreciate the answer key, though. "

Miriam Candelaria, Toa Baja, Puerto Rico
Saturday, December 01, 2007

 

"Thanks Miriam, you'll find the answers to most starters right at the bottom of the page."

Transum,
Sunday, December 02, 2007

 

"Most of the class thought this was a good starter. Thank You"

Helsby High School, 10y4
Wednesday, January 09, 2008

 

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This starter has scored a mean of 3.8 out of 5 based on 52 votes.
 

  

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Answers

10 x 12 = 120

888 x 12 = 10656

210 x 422 = 88620

57 x 517 = 29469

747 x 657 = 490779

1295 x 870 = 1126650

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.