来自MSN8 个月
33 Math Puzzles (with Answers) to Test Your Smarts
From Reader's Digest's Mind Stretchers books, these math puzzles have a bit of everything! Get Reader's Digest's Read Up newsletter for more puzzles, pets, humor, travel, tech and fun facts all week ...
BBC11 个月
Maths Challenge Quiz. 1: All the fun of the fair
In Quiz 1 Ralph and Matrix are off to the fun fair…where they take a ride on ... print off our answer sheet below. Use your mental maths muscle to note down your answer to each of Ralph's ...