1. Multiplication of 10

3. Jump 1 time, we can find 1 10 equals 1020 30 40 50 60 70 80 90
100
0 10
1 10
2 10s
3 10s
4 10s
5 10s
6 10s
7 10s
8 10s
9 10s
10 10s
Jump 1 time, we can find 1 10 equals 10
Jump 2 times, we can find 2 10s equals 20
Jump 3 times, we can find 3 10s equals 30

4. Can you find any secrets from these number sentences?
1×10=10
2×10=20
3×10=30
4×10=40
5×10=50
6×10=60
7×10=70
8×10=80
9×10=90
1×10=10
2×10=20
3×10=30
4×10=40
5×10=50
6×10=60
7×10=70
8×10=80
9×10=90
A number times 10, we can move the digit one place to find the answer.
8×10= 8

5. ( ) 10s count 10 ( ) times 1×10= 10 10× 1 = 10 2×10= 20 10× 2 = 20
3×10= 30
4×10= 40
5×10= 50
6×10= 60
7×10= 70
8×10= 80
9×10= 90
10×10=100
10× 1 = 10
10× 2 = 20
10× 3 = 30
10× 4 = 40
10× 5 = 50
10× 6 = 60
10× 7 = 70
10× 8 = 80
10× 9 = 90
10×10=100

6. Practice 1
10×
×10= = 10 1 9 40 20 60 5 8 2
100 50 10 80 90 4 6 ？

7. Practice 2 10×10=100 10×10=100 10 10s Count 10 10 times
There are 10 pencils in one bundle. How many pencils are there in 10 bundles?
10×10=100
10×10=100
10 10s
Count times

8. There will be 5 rows of tiles on the wall， and 10 in each row
There will be 5 rows of tiles on the wall， and 10 in each row. How many tiles in all?
5×10=50
10×5=50

9. I need help!

10. I need help!
3+4×10
Multiplication first

11. Practice 3
(1)0×10= (2)8×10+7= (3)9×10+8=
10×3= = =
40= × ×10+4= ×6+7=
50=10× = =
8×10+7 87
9×10+8 98 30 80 87 90 98 4 74 67 5 70 74 60 67

12. What have we learnt today?
1×10=10
2×10=20
3×10=30
4×10=40
5×10=50
6×10=60
7×10=70
8×10=80
9×10=90
1×10=10
2×10=20
3×10=30
4×10=40
5×10=50
6×10=60
7×10=70
8×10=80
9×10=90
A number times 10, we can move the digit one place to find the answer.
8×10= 8