Page 37 - NUMINO TG_2A
P. 37
02Unit Which Car Is Faster?

jOb ective Compare two numbers.

1. Textbook Instructions Unit

Have students discuss and find ways to 02 Which Car Is Faster?
compare the speed in both pictures.
Look at the 2 pictures. Which car is moving faster?
In this activity, have students learn that the Explain why.
most accurate way to compare the speed of
2 cars is by comparing 2 numbers. The top car is moving faster because the speedometer is pointing to the larger
What can you tell from the pictures? number.
Someone is driving a car.
What can you see outside the car? I can
see trees.
How are the 2 pictures different? I think the
car in the first picture is going faster.
How can you tell?
Students’ answers will vary.
A1: The trees in the first picture show that the

car is going faster.
A2: I can compare the speedometer in both

pictures to know that the first car is going
faster because the number on the
speedometer is greater.

12

2. Build Understanding

Comparing and expressing how big something is in real life
Comparing and expressing how big something is in real life is different from comparing in math.

Comparing and expressing how big something is in math: we say that we are comparing something when
we are comparing numbers.
Comparing and expressing how big something is in real life: rather than accurately comparing how big
something is, we compare using ordinary vision.

020 NUMINO Teacher s Guide
   32   33   34   35   36   37   38   39   40   41   42