1. It's a hand.

2. It's an eraser.

3. No, it isn't.

4. It is blue.

5. They're red.

1. What's your name?

- My name Trâm.

2. How old are you?

- l'm eight years old.

3. How are you today?

- l'm fine, thank you.

4. What's your hobby?

- l like painting.

5. Do you have a pencil?

- Yes,l do.

1. How old are you?

- l'm eight years old.

2. What's your hobby?

- l like painting.

3. Do you have an eraser?

- Yes,I do.

4. What do you do at break time?

- I play volleyball.

1.Do you have a notebook?

   -No, you'can.

2. What do you do at break time?

   -l play word puzzle at break time.

3. What colour is the school bag?

   -It is blue.

4. What's your hobby?

   -l like badminton.

1. It's an eye.

2. l`m five years old.

3. l like cooking.

4. l like running.

5. No, it isn't.it Ben

1. My name Trâm.

2. l`m eight years old.

3. l like drawing.

4. Mother's l like cooking.

1. It's an ear.

2. She l`m six years old.

3. Yes, it is.

4. l like singing.

quả bí ngô thứ nhất 1 kg = 1000 g

                                                       Bài giải

                                 Quả bí ngô thứ hai có số cân nặng là:

                                                   1000-200=800(g)

                                                                    Đáp số: 800 g.

a, 47+53=100.

b, 638+25=663.

c, 100-28=72.

d, 824-119=705.

 a, 15 giảm 3 lần 5 gấp 2 lần 10.

 b, 2  thêm 8 đơn vị 10 gấp 9 lần 90.

 c, 6 gấp 6 lần 36 giảm 4 lần 9.

 d, 26 bốt 10 đơn vị 16 giảm 8 lần 2.