Page 191 - NUMINO TB_4B
P. 191
2 . (5 + 2) \ 3 21 Activity 1 P. 104~105
1 . Sample Answer P. 106~107
5 + (2 \ 3) 11
My House
(9 _ 3)\ 2 + 1 13
9 _(3 \ 2 + 1) 20 Activity 2
1 . Sample Answers
6 \ 8 ı (4 3) 48
(6 \ 8) ı 4 3 90
(11 + 2) \ 6 _ 4 ı 2 76
11 + 2 \ (6 _ 4) ı 2 130
(12 ı 2 + 4 _ 3) \ 9 63
12 ı 2 + (4 _ 3) \ 9 15
Math Story P. 100~101
1 . 8, 78, 4 5
2 . a. 12 (3 4 5 6 7) 89 100
b . 123 (4 5 6 7 8 9) 100
c . 1 2 3 4 5 6 7 8 9) 100
Unit 27. Finding Different Cookies
P. 102~103
,, Sample Answers
Kate did not make the second cookie in the
first row and the third and fourth cookies in the
second row. We can see that the shape and the
size of the cookies are different from the cookie
frame that Kate used.
The answers may vary.
Sample Answers
Use a compass to draw the circles that have
the same size.
Fold the piece of paper in half.
180
1 . Sample Answer P. 106~107
5 + (2 \ 3) 11
My House
(9 _ 3)\ 2 + 1 13
9 _(3 \ 2 + 1) 20 Activity 2
1 . Sample Answers
6 \ 8 ı (4 3) 48
(6 \ 8) ı 4 3 90
(11 + 2) \ 6 _ 4 ı 2 76
11 + 2 \ (6 _ 4) ı 2 130
(12 ı 2 + 4 _ 3) \ 9 63
12 ı 2 + (4 _ 3) \ 9 15
Math Story P. 100~101
1 . 8, 78, 4 5
2 . a. 12 (3 4 5 6 7) 89 100
b . 123 (4 5 6 7 8 9) 100
c . 1 2 3 4 5 6 7 8 9) 100
Unit 27. Finding Different Cookies
P. 102~103
,, Sample Answers
Kate did not make the second cookie in the
first row and the third and fourth cookies in the
second row. We can see that the shape and the
size of the cookies are different from the cookie
frame that Kate used.
The answers may vary.
Sample Answers
Use a compass to draw the circles that have
the same size.
Fold the piece of paper in half.
180
