Page 182 - NUMINO TB_4B
P. 182
NUMINO
Store A offers a better deal for the strawberries. 1. a. ˘ b. ¯ c.
2
If you convert the fraction, 10 , into a decimal, d. ¯ e. ˘ f. ¯
it becomes 0.2. 0.3 is larger than 0.2. Therefore,
buying strawberries at store A is better. 2 . a . The length is longer.
23 b . The pumpkin is heavier.
100
If you convert the fraction, , into a decimal, c . Ryan drank more.
it becomes 0.23. 0.36 is larger than 0.23. d . Ann’s house is farther from the school.
Therefore, it is better to buy 0.36 kg of
strawberries. 3 . b . 6, 7, 8, 9 c . 0, 1, 2, 3, 4
d . 0, 1, 2, 3
Activity 1 P. 14~15
1. 0.5, 0.9, 7 , 0.8, 4 Activity 3 P. 18~19
10 10
11 9 1 . b . 0.012 c . 0.054 d . 2.529
0.26, 0.01, 100 , 100 , 0.83
39 88
54 22 74 e . 1.017 f. 1000 g. 1000
10 , 10 , 10
1.1, 2.3, 1.8, 275 9
1000 1000
2.57, 1.13, 209 , 1.01, 373 , 4.11 h. i. 3
100 100
2.1, 5 4 , 3 2 , 1.3, 2 9 , 6.8 2 . a . 0.512
10 10 10
9 12 9 five hundred twelve thousandths
100 100 100 0.5 0.01 0.002
1 , 2.03, 3 , 1.11, 5.28, 12
Both methods are useful for comparing b . two hundred sixty-one thousandths
2 fractions.
Students can use the method they are 0.2 0.06 0.001
c3omfortable with to compare the fractions. c . one and forty-three thousandths
10 is the larger fraction.
1 0.04 0.003
2. a. ˘ b. ˘ c. ¯ Unit 19. Add Up to 1 P. 20~21
d. ¯ e. ¯ f. ˘
g. ˘ h. ¯ i. ˘ 100 squares, 1,
Activity 2 P. 16~17
Both methods are useful in comparing. ,1 ,1
Students can choose any method that they
are comfortable using. 0.72 is larger.
Answers 171
Store A offers a better deal for the strawberries. 1. a. ˘ b. ¯ c.
2
If you convert the fraction, 10 , into a decimal, d. ¯ e. ˘ f. ¯
it becomes 0.2. 0.3 is larger than 0.2. Therefore,
buying strawberries at store A is better. 2 . a . The length is longer.
23 b . The pumpkin is heavier.
100
If you convert the fraction, , into a decimal, c . Ryan drank more.
it becomes 0.23. 0.36 is larger than 0.23. d . Ann’s house is farther from the school.
Therefore, it is better to buy 0.36 kg of
strawberries. 3 . b . 6, 7, 8, 9 c . 0, 1, 2, 3, 4
d . 0, 1, 2, 3
Activity 1 P. 14~15
1. 0.5, 0.9, 7 , 0.8, 4 Activity 3 P. 18~19
10 10
11 9 1 . b . 0.012 c . 0.054 d . 2.529
0.26, 0.01, 100 , 100 , 0.83
39 88
54 22 74 e . 1.017 f. 1000 g. 1000
10 , 10 , 10
1.1, 2.3, 1.8, 275 9
1000 1000
2.57, 1.13, 209 , 1.01, 373 , 4.11 h. i. 3
100 100
2.1, 5 4 , 3 2 , 1.3, 2 9 , 6.8 2 . a . 0.512
10 10 10
9 12 9 five hundred twelve thousandths
100 100 100 0.5 0.01 0.002
1 , 2.03, 3 , 1.11, 5.28, 12
Both methods are useful for comparing b . two hundred sixty-one thousandths
2 fractions.
Students can use the method they are 0.2 0.06 0.001
c3omfortable with to compare the fractions. c . one and forty-three thousandths
10 is the larger fraction.
1 0.04 0.003
2. a. ˘ b. ˘ c. ¯ Unit 19. Add Up to 1 P. 20~21
d. ¯ e. ¯ f. ˘
g. ˘ h. ¯ i. ˘ 100 squares, 1,
Activity 2 P. 16~17
Both methods are useful in comparing. ,1 ,1
Students can choose any method that they
are comfortable using. 0.72 is larger.
Answers 171
