Page 52 - NUMINO TG_2A
P. 52
03Animal Race Unit
Material Figures 1 and 2 [A2]
Math VoCabulary hundred: 10 tens is the same as 1 hundred
Objective: Learn how to measure with nonstandard units After students have freely discussed the first
task, have them compare the lengths of the
Look at the 3 paths and explain why you chose that order. 3 paths at the top of page 21.
When comparing the 3 paths, the indicated parts above are compared to Between the sheep and the rat, which
determind the order of arrivals. animal chose the shorter path? The rat.
The sheep took 3 unit lengths whereas the rat who took 2 unit lengths Why? The sheep traveled 3 sides of the
to get to the same place. The monkey was the fastest because it cut square, while the rat traveled 2.
across the unit square. The diagonal is shorter than 2 unit lengths. Which animal chose the shorter path, the
rat or the monkey? The monkey.
3 animals run along 3 different paths. If all of them run at the Why? The monkey chose to cut across
same speed, find the order in which they will arrive at the finish diagonally. The diagonal line is shorter than
the sum of the 2 sides.
Refer to on the previous page to
explain the first race: the sheep, rat, and
monkey.
Refer to at the bottom of the page
to explain the second race: the squirrel,
chicken, and duck.
Finishing order: duck squirrel chicken
Count the number of unit lengths and diagonals in each animal’s path.
Squirrel: 9 units and 1 diagonal. Chicken: 10 units and 1 diagonal.
Duck: 6 units and 2 diagonals.
3. Animal Race 21
Have students compare
2 paths at a time.
2A Unit 03 035
Material Figures 1 and 2 [A2]
Math VoCabulary hundred: 10 tens is the same as 1 hundred
Objective: Learn how to measure with nonstandard units After students have freely discussed the first
task, have them compare the lengths of the
Look at the 3 paths and explain why you chose that order. 3 paths at the top of page 21.
When comparing the 3 paths, the indicated parts above are compared to Between the sheep and the rat, which
determind the order of arrivals. animal chose the shorter path? The rat.
The sheep took 3 unit lengths whereas the rat who took 2 unit lengths Why? The sheep traveled 3 sides of the
to get to the same place. The monkey was the fastest because it cut square, while the rat traveled 2.
across the unit square. The diagonal is shorter than 2 unit lengths. Which animal chose the shorter path, the
rat or the monkey? The monkey.
3 animals run along 3 different paths. If all of them run at the Why? The monkey chose to cut across
same speed, find the order in which they will arrive at the finish diagonally. The diagonal line is shorter than
the sum of the 2 sides.
Refer to on the previous page to
explain the first race: the sheep, rat, and
monkey.
Refer to at the bottom of the page
to explain the second race: the squirrel,
chicken, and duck.
Finishing order: duck squirrel chicken
Count the number of unit lengths and diagonals in each animal’s path.
Squirrel: 9 units and 1 diagonal. Chicken: 10 units and 1 diagonal.
Duck: 6 units and 2 diagonals.
3. Animal Race 21
Have students compare
2 paths at a time.
2A Unit 03 035
