Lesson Plans - Grade 8 Math

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A number like this [1.2.2] is a state benchmark for math. Click it to link to the benchmarks.

Look up the meaning of math terms [Here ]

[and here!]

1-22-2001
1. HW232 22&25......2. P232 22-31.......3. .................
4. .................5. .................6. .................

OBJECTIVE: Express repeating decimals as fractions(6-7, Pp230ff)[1.1.3] ACTIVITIES: Model the method given using the idea of multiplying by powers of ten to clear the repeaters. Students do page 232 22-31 (approx) NOTES: HOMEWORK: P232 #35 (review box and whisker)
[Repeating Decimals to Fractions] [Repeating decimals to a fraction(rational number) ]
[Repeating decimals to fractions - a DIFFERENT way!]

1-23-2001
1. HW232 #35 graph..2. Quiz Rpt to Frac.3. .................
4. .................5. .................6. .................

OBJECTIVE: Find the [probability] of a simple event(6-8)[1.4.2] ACTIVITIES: After introduction of definition and terms, Do the mini-lab Requiring a neat table drawn with a rule. NOTES: HOMEWORK: P234 1-5 (1-4 use sentences, #5 draw with a compass and divide with a protractor)[1.3.7][4.2.1]

1-24-2001
1. HW234 1-5........2. .................3. .................
4. .................5. .................6. .................

OBJECTIVE: Find the least common multiple of two or more integers(6-9, P237ff)[1.1.3] ACTIVITIES: Demo the tables of multiples and the list of prime factors methods for determining LCM. Emphasize that the important idea is that a common multiple is found to solve the problem. LEAST is not necessary. NOTES: Calculators can be detractors here. HOMEWORK: Write the steps to BOTH procedures for finding LCM and then write the method that ALWAYS works.
[Interactive display of multiples; (click on multiples in the TOPICS box)] [ Least common multiple - interactive]

1-25-2001
1. HW LCM Process...2. LCM Quiz.........3. .................
4. .................5. .................6. .................

OBJECTIVE: ACTIVITIES: Students will do the LCM quiz and then start on the homework Crypto-solution NOTES: HOMEWORK: Crypto-solution

1-26-2001
1. HW CryptoProblem.2. P239 6-10A 1&2...3. .................
4. .................5. .................6. .................

OBJECTIVE: Use customary units of measure; model the DENSITY PROPERTY(6-10A, Pp239-240) ACTIVITIES: Do pages 239 and 240 Activities 1 and 2 and responses 1-6 working with a partner NOTES: HOMEWORK: P240 7a, b, and c. Be sure to show and label all steps.

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No Problem Of the Week

[How to write a solution]
[Written problem scoring guide]

Unexplained answers receive NO credit!

Extra, Extra credit. [Download this program (MS-DOS/Windows)]

And use it to find out what kind of fraction denominator various numbers make. For example, 3, as a denominator makes a repeating decimal. 7 does too, but it is more than one number before the pattern repeats. The program asks you how many places after the decimal point you wish to solve to. These are the screen prompts:

Solve 1/n to how many places? [the numerator is 1 because, if it is a repeating decimal, the answer will be a multiple of the 1/n answer.]

Enter your denominator:

At this point, the program will give you the prime factors of the denominator, then it will solve the problem to however many places you desire.

You have two choices:

1. Make a list of denominators which generate repeating decimals which repeat 1 numeral, then 2 numerals, then 3 numerals, etc. until you have a list of 10 denominators, the last of which contains a series of ten digits before it repeats. Be sure to explain how you chose your numbers.

or
2. Find a denominator which does not appear to repeat in the first 100 places.. Be sure to explain how you chose your numbers.

This is due no later than end of class on 29 January and is worth from 3 to 5 extra credits. Work from now until January 29 must be kept current.

Cryptogram 1-25-2001- Decode and then solve the problem:

Uvwoh qle ilhwqfur duhwr vjh qle ezuwoijuhf, Csuhobco quf wtj-wqlhfe jv u dlxxu sovw. Tobfr quf jbo-qusv jv u dlxxu vhjp sabcq ubf Ph. Fhubj, wqo puwq woucqoh quf wqhoo-vjahwqe jv u dlxxu uvwoh wqo ilbyj duhwr. Wj uff wqoeo duhwlus dlxxue wjyowqoh, wqor tjasf boof wj vlbf wqo souew cjppjb paswldso jv wqo fobjplbuwjhe. Eqjt qjt rja tjasf vlbf wqo souew cjppjb fobjplbuwjh vjh wqoeo wqhoo bapiohe.