Page:Happy-Maths-1-English.pdf/30

 99 ﬁsh. When he caught the 99th ﬁsh and put it in his basket, he had 50 ﬁsh in the basket. 50 he did not have to catch the 100th ﬁsh to throw back!

15 prime numbers. In a grid, write numbers 1 to 50. After 3, cut out all the even numbers (They can all be divided by 1,2 and themselves so they are not prime). Cut out all the numbers that can be divided by 3. (9, 21 etc. They are all divisible by 1, 3 and themselves so they are not prime.) Cut out all the multiples of 5. (Why?) The remaining numbers are prime numbers.


 * Answers to Shapely Numbers Page 24


 * 1) 36.
 * 8 x 9 / 2 = 36.


 * Answers to Let’s Fly 26

28
 * 1) GO HOME! (Starting with 1 for A, 3 for B .......51 for Z)
 * 2) YOU ARE GOOD.
 * 3) ZZERO IS A HERO.
 * 4) NUMBERS ARE FUN. (2 for A, 4 for B.....52 for Z)