Watch the video before you start your work. It will help you remember how to calculate your work.
Group 1 - Addition & Subtraction (4 digit) - Complete whole page.
Group 2 - Subtraction within 1000. Complete the second half of the page (last 15 questions).
Group 3 - Subtraction (2 Digit) Page 6. Complete whole page.
Group 4 - Subtraction facts within 20 Page 32. Complete the rest of the page.