Solve 46 x 52 using standard algorithm AND the area model. Make sure to show your work with all the steps you take to solve the problem.
Question 2
2.
Solve 78 x 32 using any method you would like. Then check your answer by estimating OR using a different method.
Question 3
3.
If I solved the following problem 73 x 92 = 6,716 how would I use estimation to check for reasonableness? Use words and/or numbers to show how to do this.