Unit 4: Decimals, Percents and Ratios.
Section 11: Decimals
- Represent decimals in several ways
- Compare and convert fractions and decimals
- Add and subtract with decimalsmm
- Multiply and divide with decimals
Representing and comparing of decimals
D2L->Content->Readings->Representing Decimals, read the
article "Investigating Students' Conceptual Understanding of Decimal
Fractions Using Multiple Representations"
Assignment due Aug 10:
Assn 67: Draw or otherwise produce
showing each of these decimals
a. in a grid
b. with base 10 blocks
c. on a number line.
d. tell what length in centimeters or millimeters each represents if 1
means 1 m. (tell, don't draw)
(For example, in #1d, you should do:
0.68m=?cm or 0.68m=?mm--choose which ever of cm or mm makes the
most sense to use for the given amount)
Fractions and decimals
Operations on decimals: