tag:blogger.com,1999:blog-5699949251277141058.post5174507566042219450..comments2019-12-14T23:21:07.848-06:00Comments on Firstgraderoundup : Throw Away the Base 10 BlocksWhitneyhttp://www.blogger.com/profile/02986381982136673388noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-5699949251277141058.post-43472767281458553082019-08-04T10:28:33.839-05:002019-08-04T10:28:33.839-05:00I agree with you - I think Whitney is 100% right t...I agree with you - I think Whitney is 100% right that you can't just start off with Base 10 equipment and say "this rod is 10", you have to teach them by making 10s over and over until they 'trust' the equipment mathematically, and this can be done using all sorts of manipulatives to make bars/rods - like the pop cubes she uses here. I might use this method of building numbers before introducing the Base 10 equipment as a 'ready made' version of what the children have been building in previous lessons.Annie Elinorhttps://www.blogger.com/profile/08741470506328470439noreply@blogger.comtag:blogger.com,1999:blog-5699949251277141058.post-33107585444883989762019-03-18T20:35:02.396-05:002019-03-18T20:35:02.396-05:00I totally agree with your thinking here! It is so ...I totally agree with your thinking here! It is so important for kids to build and decompose those tens themselves. I love what you are doing and know your kids will do wonderfully when itâ€™s time for regrouping. I do think the base ten blocks have their place in math instruction though, just not necessarily in 1st grade. Let me explain. Higher place values (hundreds, thousands, ten thousands, etc.) still need to be introduced and practiced using concrete tools. While it is possible to build hundreds and maybe even thousands using pop cubes, the higher you go the less efficient this becomes. Students need an efficient way to model operations in the hundreds and thousands. His is where the base ten blocks are useful. Base ten blocks can even be used to model multi-digit multiplication problems. All of this is much more effective, however, if the students have first been taught to understand ones and tens the way you teach them. Rachel Purswellhttps://www.blogger.com/profile/01313365153175674210noreply@blogger.comtag:blogger.com,1999:blog-5699949251277141058.post-46519501780789829652015-08-24T08:37:33.600-05:002015-08-24T08:37:33.600-05:00This is so smart! I also disliked how you can'...This is so smart! I also disliked how you can't take apart the tens rods. When teaching 2nd graders addition and subtraction with regrouping, trading back and forth between rods and cubes is another step that they really don't have room for in their working memory. I like to use beans and then ketchup cups for grouping 10. When we get to 3-digit numbers we put 10 small ketchup cups into a bigger cup for 100.Hannah Braunhttps://www.blogger.com/profile/08056361423356013658noreply@blogger.comtag:blogger.com,1999:blog-5699949251277141058.post-47515436371763836902015-03-17T22:46:28.018-05:002015-03-17T22:46:28.018-05:00In plastic tubs. You can find a pic of how they ar...In plastic tubs. You can find a pic of how they are store in my round the room section at the top of the blog. Warning: the pic was taken before I got rid of my base 10 blocks, so you will see the tub on the shelf!:)Whitney @ the first grade rounduphttps://www.blogger.com/profile/02986381982136673388noreply@blogger.comtag:blogger.com,1999:blog-5699949251277141058.post-4332376514151315562015-03-17T22:36:25.557-05:002015-03-17T22:36:25.557-05:00Love this! How do you store these? Love this! How do you store these? Anonymousnoreply@blogger.com