Evidence of Maths

Learn:I am learning to understand rate and ratio 

1. 3 x ? = 180
I know that 3 x 6 = 18
So I multiple 6 from 10 which equal 60
So there for my answer is 60.

2. 4 x ? = 320
4 x 8 = 32
10 x 8 = 80
So my answer is 80.

3. 4 x ? = 280
4 x 7 = 28
10 x 7 = 70
So my answer is 70


4. 3 x ? = 36
3 x 12 = 36
36 / 12 = 3
So my answer is 12

5. 7 x ? = 140
7 x 2 = 14
10 x 2 = 20
So my answer is 20

6. 8 x ? = 640
8 x 8 = 64
10 x 8 = 80
So my answer is 80

7. 4 x ? = 160
4 x 4 = 16
10 x 4 = 40
So my answer is 40