Page 201 - TB_6B

Activity 3 P. 123~124 y
9

1 a. . Number of Triangle(s) 1 2 3 4 5 6

Number of Matchsticks 3 5 7 9 11

b . y 2x 1 3

c . y 2x 1 x y
3 03 9
2 15 1
30 1 y
31 9
31 matchsticks
66
2 . a . y 2x

b . y 2x 3 3
30
2 12 30 x x
24 3 10 3
24 pieces 1 . a . linear 01
1
3 . a . Time(min.) 0 1 2 3 4 x2 10 2 2
y1 21 3
Temp.(°F) 62 77 92 107 122 1
2 2
b . y 15x 62 b . nonlinear 5

c . y 15x 62 137 F x2
y5
15 5 62
137

4 . a . Time(min.) 0 1 2 3 4 yb

Temp.(°F) 44 40 36 32 28 6 a
5 x
b . y 44x 4x 16 cm 4
3
c . y 44x 4x 2
1
44 4 7
16 3 2 10 12 3

Math Story P. 126~127

Challenge P. 125 Ryan finished his drink as soon as he bought it.

x3 2 1 Ricky waited a little before he drank his drink.
y9 4 1 He did not finish it.
x, y 3, 9 2, 4 1, 1
Amount(mL)
x0 1 2 3
y0 1 4 9 Time
x, y 0, 0 1, 1 2, 4 3, 9

190