It may be our first week back after the winter break, but it has been a busy one!
We began our week with some New Year's focused activities. We worked on a mystery math picture, where we had to solve a variety of math questions. We then were told what colour to colour in the answers on a blank hundred's chart. If we were correct the picture would read: 2015. We also played two math games that were 2015 focused. The first was a game where we had to cover either two numbers that added to 15 or three numbers that added to 20 on a game board. The player who made the last possible number sentence won the game. The second game was similar, but this time students chose whether to add two or three numbers to equal 15 or 20. They had to colour their choices in on a piece of paper. Even though both were similar, students had a lot of fun.
We also worked on writing some New Year's goals. Students wrote a personal goal, a reading goal, a learning goal, and a goal about trying a new food. We then made our goals into a class book for our classroom.
Mid week our focus shifted from a new year, to beginning to learn about new concepts. Wednesday brought us an interesting presentation from Siloam Mission. Students learned about what services they provide and the different support systems available.
On Wednesday we also began reviewing double digit addition and subtraction. We began by looking at how we add and subtract groups of ten from a two-digit number. Using an interactive hundred chart on the Smartboard, we discussed how we can drop down rows on the chart when adding and move up rows when subtracting. We practiced together, then individual students had a chance to come up and practice on the Smartboard. We ended with seeing how quickly each of us could answer these types of questions.
We have continued to work on our double digit addition and subtraction. Today we began our Math periods with playing a game that had us practice math equations that either added or subtracted groups of then.
We then began reviewing adding two random two-digit numbers. We used ten frames as a tool to help us as we began our review. Students were given a number sentence. For example, 42 + 33 =
They were then asked to make each number using their set of ten frames. So for the number 42, students would use four full ten frames and a ten frame containing only two dots. They would do the same thing for the second number. The next step was to reorder the ten frames so that all the full groups of ten were together. This represented the step of adding our tens. For the above example, 40 + 30. Students then did the same thing with the remaining ten frames, the ones. 2 + 3.
The final step was to add those two answers together, 70 + 5 = 75. This gave us the answer to our original question 42 + 33. We continued practicing together as a class and we ended with beginning to look at a question that required regrouping. Our goal with double digit addition and subtraction is to become comfortable enough to add and subtract these numbers in our heads. We will also use the skills we practice with these numbers to assist us when learning how to add and subtract three digit numbers up to 1000.
Double digit math was not the only new thing we began learning about this week. We began discussing our new Theme Studies topic, China! We started our investigations by watching a video about China. We then worked on a KWL together as a class.
(A KWL is a chart that helps students organize their thinking in three ways:
K-What I Know
W-What I Want to Know
L-What I Learned)
The final thing that we have begun this week is our new writing project, Ouch Stories. This will be our writing focus for the next week or two as together as a class we look at examples, practice writing, write our own Ouch Stories, and then publish them for a class book.