Where is the mistake? 25, 30, 35, 42, 45, 50, 55, 60
The number 42 is where the number 40 should be!
What is 16-8
SKip count by 100's until you get to 1,000
100, 200, 300, 400, 500, 600, 700, 800, 900, 1000
18-9
9