Brain exercises for week of October 20

Think About it…
What do you do when you see an endangered animal eating an endangered plant?

What are they planting to grow the seedless watermelons?

Plurals that Delight Old English Teachers…

Each of these words has one or two plurals.  Can you list both?  The singular forms are listed.

  1. Addendum-2

  2. Alumnus -1

  3. Alumna- 1

  4. Basis -1

  5. Datum – 2

  6. Fungus – 2

  7. Genius – 2

  8. Index – 2

  9. Nucleus – 2

  10. Opus -2

  11. Parenthesis -1

  12. Phenomenon – 1

  13. Bandit – 2

  14. Solo – 2

  15. Beau – 2

  16. Chateau – 2

  17. Cherub -2

  18. Seraph – 2

Riddles –

  1. How do you make the number 7 even without addition, subtraction, multiplication, or division?

  2. Can you write down eight eights so that they add up to one thousand?

  3. How many times can you subtract the number 5 from 25?

  4. I am four times as old as my daughter. In 20 years’ time, I shall be twice as old as her.  How old are we now?

  5. What did one math book say to the other math book?

 

Answers to Brain Exercises

Plurals

  1. Addendums, agenda

  2. Alumni

  3. Alumnae

  4. Bases

  5. Datums, data

  6. Funguses, fungi

  7. Geniuses, genii

  8. Indexes, indices

  9. Nucleuses, Nuclei

  10. Opuses, opera

  11. Parentheses

  12. Phenomena

  13. Bandits, banditti

  14. Solo, soli

  15. Beaus, beaux

  16. Chateaus, chateaux

  17. Cherubs, cherubim

  18. Seraphs, seraphim

Riddles

  1. Take off the “s” = even

  2. 888 + 88 + 8 +8 + 8 = 1000

  3. After you subtract 5 from 25, the second number is no longer 25.

  4. The adult is 40 and the daughter is 10.

  5. “Do you want to hear my problems?”