Happy Sunday everyone!  Here comes another round of problems of the week from your favourite math tutoring centre in Calgary!  Students, please remember to have your answers in to me by Sunday March 3rd.  

Grade 1-3:

Question: If a black sheep gives 620 grams of wool to his master, 670 grams to his dame, and 710 grams to the little boy who lives down the lane, then how many grams of wool does the black sheep give away in total?

Grade 4-6:

Question: A little pig builds a brick house that is 3½ metres wide and 4½ metres long. What is the perimeter of the little pig’s house?

Grade 7-9:

Question: Jack casts a 24 dm shadow. If Jack is 15 dm tall, then how tall is a bean stalk that casts a 4800 dm shadow?

Grade 10-12:

Question: A tortoise and a hare begin a six kilometre race at the same time. The tortoise travels 3 km per hour, and the hare travels 36 km per hour. After the hare races for eight minutes, he stops to take a nap. The tortoise passes the turtle and wins the race. How much time does it take for the tortoise to reach the finish line after it passes the hare?