Students spent the week practicing their subtraction strategies to help them understand how and why we regroup during subtraction. They used base tens as a visual to help them understand how to regroup and then added in the mathematical equation to match. For example:
Students also worked on a variety of problems relating to subtraction this week. The problems were multi-stepped and required students to decode the question find clues and create a process for solving. Some of the questions are shared below. What process would you do to find them?
Ms. Chapman bought 1500 pieces of candy to give out on halloween.
In September Mr. Baker bought 5624 pencils for all of the grade 4s to use this year.
If Ms. Mills had 7650 dollars to go on vacation to Hawaii and she had to spend 4438 dollars on her flight, 1527 dollars on her hotel and756 dollars on a rental car, how much money would she have left to buy souvenirs?
Ms. Bennet bought 1765 new books for the school library, she bought:
Students have finished their brainstorm and designing phase for their flashlight creation. Now students are learning the hard lesson that light can escape through the smallest of holes, even if you think an object is opaque it could be translucent and group collaboration is a difficult process. Next week the students will be presenting their products in a final write up and sales pitch.
Build up your knowledge of light by reading this link: