Enjoy the weekend,
Mme. Roach
We're into the home stretch in our grade 7 math curriculum and we are finishing our last unit for Shape and Space. Students were introduced, and go the chance to practice with translations and reflections today. This can be confusing to many but is welcomed by many visual learners. We will be reviewing many other units before our final District Benchmark on Wednesday/Thursday of next week.
Enjoy the weekend, Mme. Roach
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In preparation for next week's final benchmark assessment of the year (probably on Wednesday), students asked to review multiplying and dividing decimals today. We spent the class discussing steps and strategies to solve problems involving multiplication and division of decimals. These are the summary steps that we came up with for each operation:
Multiplication: 1) Estimate first (to help return the decimal to the answer at the end and to double-check your multiplication) - When estimating with numbers that do not have a whole (e.g. 0.8), think percentages and money (e.g. 0.8 x 5.6 - Think "What would 80% of $5.60 be?) 2) Remove the decimal and multiply like "normal" (two whole numbers) 3) Use your estimation to guide where to put the decimal in the answer. 4) Verify the decimal placement. (How many digits or "spaces" were after decimals in the original question? Make sure there are that many digits or "spaces" after the decimal in your answer too.) Division: 1) Estimate first 2) Find an "equivalent fraction" by multiplying by 10 or 100 to find one where the denominator (the divisor) is a whole number seeing as division questions are essentially fractions! You'll get the same answer and the dividing is much easier! E.g. 1,26 / 0.7 would be 12.6/7 3) Double check that your answer makes sense with your estimation. Keep practicing and reviewing! Thanks for the great questions and discussion today! Mme Killam Above, students were able to figure out the probability of rolling two die to find the sum of the numbers for our "River Crossing" Probability game from last week. We figured out it is most probable to roll the #7 as it has the most possible outcomes and it is unlikely to roll a sum of 2 or 12 as they only have one option each. Some learned the hard way that it is impossible to receive a sum of 1 with two die. We played one last time and it was interesting to see the changes in strategies. Above, students learned about translations and reflections today. We will be returning to our coordinate unit and will be working a lot with the Cartesian Plane. I look forward to this unit every year, the year is flying by and it's always a great way to end!
Mme. Roach Today, students worked in groups to review and practice for tomorrow's final quiz on Probability. Students "put it all together" by proving through theoretical probability whether games such as flipping two coins, rolling a certain sum on two dice, or paper/rock/scissors are fair. Students then completed the investigation by playing the games and seeing how the experimental probability compared to the theoretical probability. We had some great discussions! The chances of success on the quiz are high! ;)
Mme Killam Today students were so excited to complete their 26th and final Mental Math Practice of the year. Over the next four weeks we will be reviewing all of our Mental Math Strategies that are expected to be known moving forward into Grade 8 and also practicing some extras! Today students played a Probability Game called "From the land to the River". We used dice to find the sum of two numbers and probability on our side. The more we played, the more they started to see a pattern and knew how to use probability to their advantage.
What a fun day in 7 Roach/Killam! Mme. Roach Check out these two YouTube videos below. Today we went outside to compare ourselves to LeBron James' statistics in the NBA. We overtook the QMS Basketball Court and shot 10 Free Throw Attempts to warm up, kept our statistics and then tried 3 in a row. We came in, calculated our Free Throw Percentage and were able to find out our probability of making 3 or 10 in a row!
Real life math is always the most fun! Have a great weekend, Madame Roach https://www.youtube.com/watch?v=iMqCSgqzmiQ https://www.youtube.com/watch?v=PddbEVNMgTY Today, we reviewed theoretical probability, experimental probability and tree diagrams through a game and investigation called "Release the Prisoners". Students gathered data compared their choices to see who had the greatest and least chances of winning the game, as well as how to use probability for to strategies for the second round of the game. Group discussions were excellent (and often heated! :) Pictures of today's lesson are below.
Have a great week, Mme Killam Today in class, we performed two different experiments with independent events. Students then had these three pages to practice and work on. Here are pictures of the pages that were given: |
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