Cedars Math:Chapter 4

Click here to go back to the Cedars Math front page.

Chapter 4: Decimals

4.1: Reading Decimals.

• Mr. Rasmusen will be in Florida and will teach by Zoom. The class will meet in room 106 as usual.

• Handout: The Six Foot Eleven Puzzle and "NBA’s Jonathan Isaac: Standing for the National Anthem Was about Conviction."

• video of class

---

4.2: Rounding Decimals

• Words: Psychology, shilling.

• Saying: "A pint's a pound the world around." Thus, a pint has 16 ounces, and so does a pound.

• Handout: Puzzle Decimalization Shillings

• Twitter on 1, 2, ..., 4.

• "Why 0.999 . . . Equals 1.000 . . .," Eric Rasmusen, Ras-Stack Substack (November 28, 2022).

---

4.3: Adding Decimals.

• "Rotating Remainders," The Long Form Math Blog (January 26, 2020).

• Handout: Order Notation and Intervals

---

---

4.5: Dividing Decimals

• Word: Obsolete.

---

4.6: Fractions and Decimals

• Word: Copyright.

Various

• Mene_mene_tekel_upharsin handout

---