Wasn't the solar eclipse awesome? Our school provided all students and staff with solar glasses so that we could enjoy this experience safely. Our class decorated paper plates and used them to help hold our glasses on. Mrs. Collyar's PreK class joined us as we viewed the eclipse as well.
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One of the big ideas in 3rd grade math is that numbers have value that can be represented in a number of ways. Let's use 2, 478 as an example. I can write this number in standard form like this: 2, 478. But I can also write this number in expanded form: 2,000+400+70+8. Or I may want to show this number using base ten blocks: What this does, is help kids understand the value of each place. When I ask kids to tell me the largest place value for the number 2, 478 they often say 8 because it's the largest digit. However, the answer should be 2 because the value of the 2 is 2, 000. As kids start to grasp this, addition and subtraction make more sense, becomes quicker, and they're able to solve real-world problems easier.
To reinforce this at home, have your child play the math place value games here on my website. Also, give them a random 3, 4, 5, or 6 digit number and ask them to add and subtract 10, 100, 1000, and 10,000 from it. The first two days back were great! We all had fun getting to know each other and building classroom community. An important idea in our classroom stresses a growth mindset versus a fixed mindset. Did you know that when you work hard and struggle, your brain gets stronger and smarter? I grew up thinking that you were either smart or you weren't. That's not true! Our brains are like muscles and the more we work them, the smarter we become. We also managed to squeeze in a math craftivity, a summer writing project, and a colorful art lesson! Needless to say, the kids were kept very busy!
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