This sum appears to be correct when read as words. It can also be correct if you substitute digits for letters. Each different letter stands for a different digit.

 F I V E - O N E F O U R

Can you find the substitutions which will make this word sum correct?

Can you make up a word sum or puzzle of your own?

## A Mathematics Lesson Starter Of The Day

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Topics: Starter | Arithmetic

• Sue,
•
• Here is another answer:
1489-239=1250
• Mr Sim's 2j Class, Elgin Academy
•
• Our class got three more sets of solutions!
3862 - 412 = 3450
5298 - 138 = 5160
2685 - 315 = 2370.
• Miss Teece's Class, MBHS
•
• 1054
-624
-----
5492
1698
-348
-----
1350
1674
-354
-----
1320
1859
-429
-----
1430
1678
-358
-----
1320
5692
-382
----
5310.
• Transum,
•
• Thanks very much for sharing your solutions. Have we found all possible solutions to this puzzle yet? Does anyone have an insight into a way to prove that we have found all possible solutions? What strategies did your pupils use to find the solutions they found?

Sorry, the answers only appear in these comments when you are logged in as a subscriber.
• Ms Keplinger, Australia
•
• Ms Keplinger's Year 5 class. GOLD COAST AUSTRALIA :)
We have found the following
ONE+ONE= TWO (143+143 = 286)by Francesca
FOUR + ONE = FIVE (5260+237=5497) by Jameel or (5370+321=5691) Ruby
EIGHT - FOUR = FOUR (15864-7932) by Jameel
TWO - ONE = ONE (864-432=432) by Natalie
TWO +TWO = FOUR (928+928) by Dorothy.

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## Answers

 1 8 9 3 - 4 2 3 1 4 7 0

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## Extension Answer

 7 9 8 0 6 4 7 9 8 0 6 4 + 1 9 3 6 1 5 9 8 0 6 4

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