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Number Detective

Follow the clues to find the mystery number.

Six Is the Sum

What do the digits in the number fifteen add up to? How many other numbers have digits with the same total but no zeros?

ABC

In the multiplication calculation, some of the digits have been replaced by letters and others by asterisks. Can you reconstruct the original multiplication?

Less Is More

Age 7 to 11
Challenge Level

Here are some examples to help you understand the scoring system:

top row: 24 < 51, bottom row: 33 < 64

Score = 57 (both number sentences are correct)

top row: 45 < 42, bottom row: 33 < 64

Score = 33 (only the bottom number sentence is correct)

 

With the numbers 1-8, it is possible to score more than 117!