![]() ![]() Was already in the order that we needed it to be, but it's good that we checked on that. And so we would expect this expression to be close to 4000, and indeed, that's what this choice is. So five times 800, that would be around, that would be 4000. 5.2, well let's just say that's roughly 5. And so I'm already feeling good that this last choice sits down here. And so this should be about half of 800, so it should be around 400. Roughly equal to 1/2, and so, and 762, weĬould say hey, you know, that's, if we wanna be really rough, really, really approximate it, we could say, hey, it's roughly 800. Roughly equal to 50/100, roughly equal to 5/10, Now the second expression, 0.52 times 762. And so which of these is close to 38? Well this first one is 39.624, so that's actually the closest to 38. Then I have the students write a statement comparing the shading. One of the activities we do during class is to color decimal grid models for 0.4 and 0.40. And so this first expression, this first product shouldīe roughly half of 76. Using the decimal grids along with the money concepts will help students make comparisons between tenths and hundredths. It is 0.52, that's close to 50/100, that's close to a half, and so 76.2, that's close to 76. So this first expression, 0.52 times 76.2, the way I think about And then we can estimate what these expressions should be equal to, what the products should be equal to, to think about the decimal. These have the digits three, nine, six, two, four, in that order. The digits three, nine, six, two, four, in that order. Is, we can say, hey look, the answer is going to have Might have realized is all of these expressionsĭeal with the same digits as 52 times 762. And these products, this is an exercise on Khan Academy, you can move them around so the product can be matched Told to match each expression to its product. I have included all the slides (100) in one presentation for convenience, however, I suggest that you use the slides to create smaller activities based on level and teaching goals.That 52 times 762 is equal to 39,624, and then we're The cards can be used as visuals for virtual and in-person instruction, group-work centers, individual practice, assessment, homework, and more. The cards can be used as visuals, for virtual and in-person instruction, group-work centers, individual practice, assessment, homework, and more.īelow are some samples of the printable and digital activity cards.
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