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3. a. 2 9 b. 1 2 c. 1 3 c . 128 d . 164 e . 359
f . 152 g . 128 h . 162
3 89 6 74 5 68 2 . a . 630
60 60 50 b . 420 7 = 90, 90 mL
29 14 18 c . 192 3 = 140, 140 cm
27 12 15 d . 456 4 = 48, 48 boxes
2 2 3 3 = 152, 152 apples
4 . a . 42, 5, 8 b . 63, 4, 15
c . 73, 8, 9 d . 69, 5, 13
Activity 3 P. 29~31 Activity 3 P. 38~39
1 . Sample Answers 1. a. 1 8 5 b. 1 6 6 c. 1 2 9
Numbers Rolled Division Sentence Remainder 3 557 5 834 7 904
1, 2, 6 16 2 = 8 r 0 0 300 500 700
4, 3, 5 53 4 = 13 r 1 1 250 330 200
4, 1, 5 14 5 = 2 r 4 4 240 300 140
17 34 64
Unit 20. Division Story 15 30 63
2 4 1
185 166 129
2 4 1
P. 32~33 d. 1 8 4 e. 1 1 5 f. 1 4 6
200 4 738 8 925 6 880
300, 400 400 800 600
800, 90, 900 330 120 280
320 080 240
If the divisor is the same and dividend is 18 45 40
multiplied by 10, the quotient is multiplied by 16 40 36
10 as well. 2 5 4
Since 320 4 = 80, each person can drink 80 mL.
184 115 146
2 5 4
Activity 1 P. 34~35 2 . a . 180 5 = 36
1 . a . 60
Thomas reads 36 pages per day.
d . 90
g . 60 b . 70 c . 60 b . 245 6 = 40 r 5
2 . a . 250 e . 70
i . 80 f . 50 Each person can have 40 pencils, and
b . 120 5 pencils are left.
j . 90 c . 567 5 = 113 r 2
c . 225 d . 150 113 students can receive the candies, and
2 pieces are left.
Activity 2 P. 36~37 d . 687 4 = 171 r 3
1 . a . 2, 4, 7, 6, 4, 2
There are 171 teams, and 3 students are left.
b . 1, 6, 4, 4, 5, 2, 4, 6
164
3. a. 2 9 b. 1 2 c. 1 3 c . 128 d . 164 e . 359
f . 152 g . 128 h . 162
3 89 6 74 5 68 2 . a . 630
60 60 50 b . 420 7 = 90, 90 mL
29 14 18 c . 192 3 = 140, 140 cm
27 12 15 d . 456 4 = 48, 48 boxes
2 2 3 3 = 152, 152 apples
4 . a . 42, 5, 8 b . 63, 4, 15
c . 73, 8, 9 d . 69, 5, 13
Activity 3 P. 29~31 Activity 3 P. 38~39
1 . Sample Answers 1. a. 1 8 5 b. 1 6 6 c. 1 2 9
Numbers Rolled Division Sentence Remainder 3 557 5 834 7 904
1, 2, 6 16 2 = 8 r 0 0 300 500 700
4, 3, 5 53 4 = 13 r 1 1 250 330 200
4, 1, 5 14 5 = 2 r 4 4 240 300 140
17 34 64
Unit 20. Division Story 15 30 63
2 4 1
185 166 129
2 4 1
P. 32~33 d. 1 8 4 e. 1 1 5 f. 1 4 6
200 4 738 8 925 6 880
300, 400 400 800 600
800, 90, 900 330 120 280
320 080 240
If the divisor is the same and dividend is 18 45 40
multiplied by 10, the quotient is multiplied by 16 40 36
10 as well. 2 5 4
Since 320 4 = 80, each person can drink 80 mL.
184 115 146
2 5 4
Activity 1 P. 34~35 2 . a . 180 5 = 36
1 . a . 60
Thomas reads 36 pages per day.
d . 90
g . 60 b . 70 c . 60 b . 245 6 = 40 r 5
2 . a . 250 e . 70
i . 80 f . 50 Each person can have 40 pencils, and
b . 120 5 pencils are left.
j . 90 c . 567 5 = 113 r 2
c . 225 d . 150 113 students can receive the candies, and
2 pieces are left.
Activity 2 P. 36~37 d . 687 4 = 171 r 3
1 . a . 2, 4, 7, 6, 4, 2
There are 171 teams, and 3 students are left.
b . 1, 6, 4, 4, 5, 2, 4, 6
164
