Page 234 - NUMINO TG_3A

14Identify and Draw Figures Using the Line of Symmetry Unit

132-B4-1 132-B4-2

Digital Numbers in Mirrors 2. Solve the addition or subtraction problem without using a mirror.

1. Mirrors are placed on 2 sides of each number. Draw the shapes that can Example
be seen in the mirrors.
+
Example a.
a.
b. c.
b.
d. e.
c.
Objective Draw the shape of the mirror
number. +

Textbook Reference Unit 14, activity 1 Objective Solve the number sentence shown
on the mirror.

Textbook Reference Unit 14, activity 2

132-B5-1 132-B5-2

Number of Dots in Mirrors 2. A mirror is placed such that the number of dots seen on the paper and its
1. A mirror is placed to show a certain number of dots. The arrow shows reflection is the number given in the grey box. Draw a line and an arrow to
indicate where the mirror is placed and where the image is viewed from.
where the image is viewed from. Count the number of dots on the paper
and in the mirror. Example a. 4
3
Example
b. 2 c. 3
mirror
a. b. d. 1 e. 4

c. d.

Objective Count the number of dots that are Objective Count the number of dots that are
shown on the mirror. shown on the mirror.

Textbook Reference Unit 14, activity 3 Textbook Reference Unit 14, activity 3

3A Unit 14 217