This is level 3: pick prime numbers in the range 38 to 61.
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Your job is to pick the
prime numbered fruit from
the tree by clicking on them
as quickly as possible.
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StartAll the prime numbers have not been picked yet. Keep trying.
You have tried to pick a numbered fruit that is not prime.
Try to remember that is not prime.
Try Again


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Level 1  Pick prime numbers in the range 1 to 16
Level 2  Pick prime numbers in the range 17 to 37
Level 3  Pick prime numbers in the range 38 to 61
Level 4  Pick prime numbers in the range 62 to 99
Level 5  Identify numbers as being either prime or composite up to 144
More on this topic including lesson Starters, visual aids, investigations and selfmarking exercises.
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Currently the fastest time in the last month for this level (Level 3) has been achieved by Ali Qamar Abbasi with a time of 0:13 (that is 13 seconds) on Thursday, August 8, 2024. Can you beat that? If you can make sure you claim a trophy because that is how fast times are officially recognised.
Ali Qamar Abbasi
0:13
Chris Smith @aap03102 Twitter,
Monday, September 16, 2019
"You’ve met the first six primes:
2,3,5,7,13,11
They form a nice calculation:
23x57=1311."
Stephanie Cardillo, Campbelltown PS
Thursday, November 28, 2019
""
Crosthwaite School, Twitter
Tuesday, November 29, 2022