Page 128 - NUMINO Challenge_B2
P. 128
Problem solving Key Points
1 Anna is cutting a 15-cm sausage into 1-cm Number of
pieces. It takes 2 seconds to make one cut Cuts Number of
and Anna rests for 3 seconds between each Pieces 1, Number
cut. How long will it take Anna to cut the entire of Breaks Number
sausage? of Cuts 1
2 It takes Mark 40 seconds to walk from the 1st Starting from the 1st
floor to the 5th floor. If Mark takes an 8-second floor, Mark must
break after walking up each floor, how long will it climb 4 flights of
take him to reach the 25th floor? stairs to reach the
5th floor.
125Communication
1 Anna is cutting a 15-cm sausage into 1-cm Number of
pieces. It takes 2 seconds to make one cut Cuts Number of
and Anna rests for 3 seconds between each Pieces 1, Number
cut. How long will it take Anna to cut the entire of Breaks Number
sausage? of Cuts 1
2 It takes Mark 40 seconds to walk from the 1st Starting from the 1st
floor to the 5th floor. If Mark takes an 8-second floor, Mark must
break after walking up each floor, how long will it climb 4 flights of
take him to reach the 25th floor? stairs to reach the
5th floor.
125Communication
