Unit 4 Contents

1. John solved the problem using the all-partials method. Rewrite John's problem and fill in the blank boxes to show where each of the partial products comes from.

2. What answer do you get using John's method? Estimate the product to check that the answer is reasonable.

6. Nila used the rectangle method to check John's solution.
1. Draw the rectangle and write the partial products from John's solution into the smaller rectangles.

2. What answer do you get using the rectangle method?

Below are some of the other problems students wrote while playing the Multiplication Digits Game. Find these products using the all-partials method. Estimate to check that your answers are reasonable.

1. 123 2
2. 24 12
3. 57 23
1. 
2. 
3. 

Complete the All-Partials Multiplication pages in the Student Activity Book.