Math and Science

October 26-29

Math:  Now that powers and exponents have been completed, we will be moving in to our new area of study…square roots.  Last year, grade 8s studied square roots of whole numbers and estimated the value of a square root.  This year, our square root time will be spent mainly with decimals and fractions.  Expect a pre-assessment early in the week followed by getting in to the square root content.

Science:  This week students will finish off the biodiversity unit through exploring invasive species and their impacts on native habitats. The 6th great extinction will also be explored, including its underlying causes and methods to combat this loss of diversity. 

 

October 19-23

Math:  We have concluded covering all topics involving powers and exponents.  As a result, during the coming week, we will review the material in preparation for our first unit final on Thursday, October 22.  When we first began our work with powers and exponents, we completed a pre-assessment to see the areas in which each students had strengths and areas of need.  Now that we have addressed those and the grade 9 material, we will conduct a post test to gauge the learning that has taken place.  

Science:  students will continue to explore genetics and how heritable traits are passed from generation to generation. They will create their own unique dragons by randomly assigning alleles using various patterns of dominance and interpreting these to describe what the dragon would grow up to look like. This lab will be due next week. Students will also have an assessment on genetics towards the end of the week. 

October 13-16

Math:  During the upcoming short week, we will continue to work on the second set of exponent laws.  Students should expect a quiz towards the end of the week as we conclude our work with powers and exponents.

Science:  Students will continue their exploration of chromosomes and chromosomal abnormalities through the analysis of 4 sets of 46 human chromosomes. This Karyotyping activity will allow us to then transition into the genetic analysis of genes, their alleles, and traits that show dominant/recessive expression. Students should expect an assessment on these concepts towards the end of the week. 

October 5-8

Math:  During this next week, grade 9s will continue with the exponent laws.  Expect a quiz at the end of the week covering the exponent laws over these two weeks.  By completing the exponent laws this week, we have covered all concepts related to exponents this year so students should be expecting a unit final in the coming weeks.

For additional practice with the exponent laws covered this past week:

Watch these:

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-exponent-properties/v/exponent-properties-involving-products

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-exponent-properties/v/exponent-properties-involving-quotients

Try these:

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-exponent-properties/e/multiply-powers

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-exponent-properties/e/divide-powers

Science:  

September 28 - October 2nd

Math:  Now that we have completed the introductory components of exponents, we will move into the exponent laws.  These 5 laws are foundational skills for success in high school.  The best way to master these skills are to practice continually. 

Science:  This week in science grade nines will be learning about the behavioral and structural adaptations which allow organisms to survive and thrive in their respective environments. We will then move into reproductive strategies and the genetic advantages/disadvantages behind these strategies. 

September 21-24

Math:  Over the past week, we have looked at the various parts of a power and what those parts mean.  We have completed some basic calculations with powers.  In the coming week, we will continue with the evaluation of powers.  However, this will begin to look more difficult as we will be bringing in multiple operations.  Thus, students will need to access past knowledge – order of operations.  For extra support with the exponent work that we have covered, look at:

 Videos:

https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-arithmetic-operations/cc-6th-exponents/v/introduction-to-exponents

https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-arithmetic-operations/cc-6th-exponents/v/the-zeroth-power

https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-arithmetic-operations/cc-6th-exponents/v/exponents-of-decimals

 

Written Explanation:

https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-arithmetic-operations/cc-6th-exponents/a/squaring-numbers

https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-arithmetic-operations/cc-6th-exponents/a/introduction-to-exponents

 

Extra Practice:

https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-arithmetic-operations/cc-6th-exponents/e/positive_and_zero_exponents

https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-arithmetic-operations/cc-6th-exponents/e/exponents

 Science:  This week in science students focused on increasing their understanding of biodiveristy. Within this, the variation within a single species and between species was explored. The exact mechanism by which natural selection and ultimately evolution operate was also elucidated. Finally,  students explored examples of symbiotic relationships and how they affect the species involved. An assessment on these outcomes will occur in the middle of next week. 

 

September 14-18

Math:  Grade 9s will begin the week with the MIPI (Math Intervention Programming Instrument) to assess what they know from their grade 8 year.  This will give us data that will be used at the end of the school year.  At that time, students will take another MIPI to assess their understanding at that time.  If the two scores are consistent, the student has learned what was required of them over the course of their grade 9 year.

We will also begin our work with powers and exponents.  It is important that students learn their new math terminology during this week (such as power, base, coefficient, etc).  We will lead into the meaning of an exponent and how to evaluate powers.

Science:  This week we are starting the biodiversity unit by doing a hand size lab looking a species variation.  We will be exploring diversity between species, different environmental factors and structural/behavioural adaptations.  At the end of the week there will be a small assessment on these outcomes.

September 8-11

Math:  Welcome back grade 9s!  During this coming week in math, we will begin to find out a bit more about each student.  We would like to know each student’s strengths and weaknesses so that we know where to best help them during the year.  There will be come pre-assessments to discover what they know from the past so as to best move forward with their learning this year.  Along the way, each day will be some problems to get them talking and thinking math.  We look forward to a great year from all our grade 9 students!

Science:  This week in Science we will be going over lab safety rules and procedures. We will follow that by reviewing and building upon the fundamental science skills of determining variables in experiments and how to convert between different units of measurement.

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