Level 1
Book 2
Lesson 10: Ascending and Descending (Numbers 21 to 30) page 4 - 8
顺序和逆序(数字21 至 30)
Lesson 11: Addition within 10 (Numbers 31 to 40) page 9 - 13
10以内的加法(数字31 至 40)
Lesson 12: Subtraction within 10 (Numbers 41 to 50) page 14 - 18
10以内的减法(数字41 至 50)
Lesson 13: Time page 19 - 21
page 22 - 23
时间
Number Bond (11, 12)
数字组合(11, 12)
Lesson 14: Money page 24 - 26
page 27 - 28
金钱
Number Bond (13, 14)
数字组合(13, 14)
Lesson 15: Measurement page 29 - 31
page 32 - 33
尺寸
Number Bond (15, 16)
数字组合(15, 16)
Lesson 16: Addition within 20 page 34 - 36
page 37 - 38
20以内的加法
Number Bond (17, 18)
数字组合(17, 18)
Lesson 17: Subtraction within 20 page 39 - 41
page 42
20以内的减法
Number Bond (19, 20)
数字组合(19, 20)
Revision page 43 - 44
复习
3
Lesson 10 ascending order
第10课 顺序
10
9
8
7
6
5
4
3
2
1
Colour and fill in the missing number.
把缺少的数字填上,然后涂上颜色。
12 4 3 8
7 9 10 6 8
34 5 6 9
67 8 9 7
45 7 5 6
2 45 3 7
4
Lesson 10 descending order
第10课 逆序
10
9
8
7
6
5
4
3
2
1
Fill in the blanks with the correct number according to
the direction of the arrows.
根据箭头的方向,填上正确的数字。
1 34 79
10 9 6 43
5
Count and say the number.
数一数,说出数字。
21 twenty-one
22 twenty-two
23 twenty-three
24 twenty-four
25 twenty-five
26 twenty-six
27 twenty-seven
28 twenty-eight
29 twenty-nine
30 thirty
6
Fill in the blanks in ascending order.
按照顺序,填一填。
21 21 23 21 25
21 24 25 21 27
26 27 23 29 25
Fill in the blanks in descending order.
按照逆序,填一填。
26 21 24 23 25
25 24 25 21 21
26 29 28 29 26
7
Draw a line from 30 - 21 in descending to help frog
find its house.
以逆序30 - 21 来帮助青蛙找回它的家。
30 29 28
30 29 28 27
23 27
26
29 28 25
24
21 22 26
23
21
8