Math 350, Spring 2007
Do the following to be prepared for class on Wednesday, April 25
1. Finish writing the “Dealing with Remainders” problems
2. Do the “Introduction to Division Algorithms” Worksheet and write your work up on overheads to
share with the rest of the class.
3. In your textbook, read: Chap. 7 pp. 136 – 141; Chap. 8 pp. 151 – 162; Chap. 9 pp. 188 - 198
Homework Assignment #20, Due Monday April 30
1. A. Write real-life word problems corresponding to 36 ÷ 4 that are of the following types: i)
measurement (repeated subtraction), and ii) partitive (equal sharing).
B. Draw set model pictures that match your problems in part A.
2. A. Circle groups of stars to illustrate the partitive (equal sharing) interpretation of division for
28 ÷ 7.
* * * * * * * * * * * * * * * * * * * * * * * * * * * *
B. Circle groups of stars to illustrate the measurement (repeated subtraction) interpretation of division
for 28 ÷ 7.
* * * * * * * * * * * * * * * * * * * * * * * * * * * *
3. A. What division fact is illustrated by the arrows on the number line?
B. Draw an arrow diagram for 18 ÷ 6, using the measurement (repeated subtraction) interpretation of
division.
4. Rewrite each division statement as a multiplication statement.
A. 68 ÷ 17 = 4 B. 414 ÷ 23 = 18
5. Rewrite each multiplication statement as a division statement.
A. 14 X 24 = 336 B. 9 X 8 = 72
6. Determine whether each of the following are “0,” “1,” “undefined,” or “indeterminate” AND explain
WHY your answers are what they are.
A. 7 ÷ 0 B. 0 ÷ 0 C. 0 ÷ 7
0246 8 10 12 14 16 18