Subtracting Without Regrouping: with Annie & Moby

关于

What is 18 – 4? In this math movie, Annie and Moby learn about two-digit subtraction. You'll learn how to subtract a one-digit number from a two-digit number without regrouping and how to subtract two two-digit numbers without regrouping. Watch Annie write different story problems and solve them by using counters and creating number sentences!