Page 185 - NUMINO TB_3B

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4.a. b. 1g 3g 9g 3g 9g
c. d.
e. f. 9g 3g 1g 5g 9g 3g 6g

Activity 3 3g 9g 1g 1g 9g

P. 130~131 9g 1g 8g

1 . a. 3, 900 b . 5, 300 9g 1g 3g 7g 9g 1g
c . 7, 100 d . 4, 700
9g 9 g 1 g 10 g
e . 8, 200 2 kg 50 g
850 g 9g 9g 9g 3g
f . 1 kg 200 g 900 g b . 1, 400
d . 3, 700 1g 9g 3g
2 kg 50 g
1 kg 200 g 9 g 3 g 1 g 11 g 9 g 3 g 12 g
2 . a. 2, 100
9g 3g 1g
c . 2, 400
1 kg 100 g 9 g 3 g 1 g 13 g
e . 3, 700
1g 2g 3g 4g 5g 6g 7g
f . 3 kg 200 g 8 g 9 g 10 g 11 g 12 g 13 g

1 kg 100 g

Challenge P. 132~133 Unit 31. What’s Your Favorite Color?
1. a.
Weights P. 134~135
Mass Have them stand up straight and measure their
1g 2g heights.
3g 4g
4g Yes, Kate is the tallest. Ryan is the second tallest.
6g 2g 4g Ricky is the third tallest, and Jessica is the
7g 1g 2g 4g shortest.
8g Let all 4 lie down and compare heights.
Use palms to measure heights and compare.
b . 1 g, 2 g, 3 g, 4 g, 5 g, 6 g, 7 g 3g Use a rope to measure heights and compare.
2.

1g 1g

1g 1g 3g 1g 2g

3g 1g 3g

3g 3g 1g 3g 4g

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