|I. The final decimals problems in the 4th grade Math Trailblazers Discovery Assignment Book, "Using Decimals" chapter, (before two math games at the end of the chapter), pp. 153-154:|
|II. The final decimals problems in the 4th grade Singapore Math Primary Mathematics 4B Workbook, "Decimals" chapter, (before two decimal rounding exercises at the end of the chapter), pp. 32-33:|
|III. Extra Credit: |
a. What is your favorite version of base-ten shorthand?
b. How long will it be before, following in Dan Meyer's footsteps, Traiblazers goes digital, Professor Peabody becomes an animated character, and his Hundredths Chart becomes an interactive game?