Brain Exercises – April 26

Anagrams

Rearrange the letters of these words to produce one or more new words.  For example, “evil” can be rearranged as “veil” or “live.” The number of words that can be made is shown in parentheses.  You might find more!

  1. Care (2)
  2. Trace (1)
  3. Pots (4)
  4. Tips (2)
  5. Elvis (2)

In the next set, produce either a single phrase or sentence by anagrammatizing (Wow! What a word!) a phrase (for example, “astronomer” will yield “moon starer”) or by taking a single word to make a phrase  ( “Is pity love?” can be rearranged to “Positively!)

  1. Spiderman (two- word phrase)
  2. Helicopters (two- word phrase
  3. Dormitory (two -word phrase)
  4. Schoolmaster (two- word phrase)
  5. Gladiator (three- word phrase)

Math Riddles and Puzzles

  1. Find the number that completes the following sequence: 1  4  9  16  ?  36  49
  2. Divide 110 into two parts so that one will be 150 percent of the other.  What are the two numbers?
  3. How many times can you subtract the number 5 from 25?
  4. A beach resort held a contest to guess the number of beach balls in the net bag.  Pearl guessed 20, Alex guessed 21, James guessed 22,  Dick guessed 17 and Adam guessed 16.  One was off by 4, one was off by 3, one by 1,  one by 2 and one was correct.  How many beach balls were there?
  5. Mr. Jones had 2 children.  If the older child is a boy, what is the probability that the younger child is a boy, too?
  6. What is 40 divided by ½ , plus 15?
  7. John has been hired to paint the numbers 1 through 100 on 100 apartments.  How many times will he paint the number 8?
  8. What mathematical symbol can be placed between 5 and 9 to get a number greater than 5 and smaller than 9?
  9. There are two numbers that total 225 and have a ratio of 2 to 13.  What are the numbers?
  10. Can you find four consecutive prime numbers that add up to 220?

Anagram Answers

  1. race, acre

2. crate

3.spot, tops, opts, post

4. spit , pits

5. lives, veils

6. spare mind

7. pilots cheer or pilot’s cheer

8. dirty room

9. the classroom

10. a dog trail

Math Riddles and Puzzles Answers

  1. 25.  The numbers are the squares of 1, 2, 3 ,4, 5 ,6, and 7.
  2. 44 and 66
  3. Once, after that you are subtracting it from 20.
  4. 20
  5. 50%
  6. 95.  Dividing by ½ is the same as multiplying by 2, so 40 X 2 +  15 = 95
  7. 20 times (8,18,28,38,48,58,68,78,80,81,882,83,84,85,86,87,88,89,98)
  8. A decimal point.  5.9
  9. 30 and 195.  IF there is a ratio of 2 to 13, then there are 15 total parts (2 + 13) One fifteenth of 225 is 15 or one part. Two parts are 2 X 15 or 30, leaving 13 parts X 15 or 195. 30/195 = 2/13
  10. 47 + 53 + 59 + 61 = 220