Show two different ways to solve 67 + 28. Explain why both methods work and which you prefer.
Show two different ways to solve 67 + 28. Explain why both methods work and which you prefer.
Show two different ways to solve 67 + 28. Explain why both methods work and which you prefer.
Maria solved 84 - 37 by thinking "84 - 40 + 3 = 47." Explain why her method works.
Maria solved 84 - 37 by thinking "84 - 40 + 3 = 47." Explain why her method works.
Maria solved 84 - 37 by thinking "84 - 40 + 3 = 47." Explain why her method works.
Create a subtraction problem where regrouping is needed. Solve it and explain each step of the regrouping process.
Create a subtraction problem where regrouping is needed. Solve it and explain each step of the regrouping process.
Create a subtraction problem where regrouping is needed. Solve it and explain each step of the regrouping process.
Create a subtraction problem where regrouping is needed. Solve it and explain each step of the regrouping process.