This week is all about MULTIPLICATION!! Today we worked on the standard algorithm in multiplication. An algorithm is a method for solving a problem in math. This is the traditional way your parents likely learned how to do multiplication. Let's look at the following problem:
53 x 4
When we compute this problem, we are actually adding the number 53, 4 times. We work on the multiplication by multiplying the ones digit first by the two, carrying over to the next place value what we need to and then multiplying the 4 by the 5 in the tens place and adding the carry over so that we get a product of 212.
You will achieve the same solution by multiplying 50 x 4 and 3 x 4 and adding those products together. This is known as the partial products algorithm.
For a video lesson on how to multiply by one digit or more than one digit, watch THIS.
If you want another lesson on the basic use of multiplication, watch THIS as well.
If you have no trouble at all doing single or double digit multiplication, please watch this video to prepare for our lesson tomorrow on multiplying using decimals. Be sure to do a few problems using the "Test yourself" prompt.
See you tomorrow.
Tuesday, September 30, 2014
Tuesday, September 2, 2014
And it begins....
The day ended with a few little moans and shocked faces as assignment books came out and homework was (should have been) recorded in the proper place. Below is a description on what the students should have done tomorrow. All had time to begin in class except for the map.
1. We started our first word study list (this is our spelling grade). Notebooks should have come home if the kids didn't finish copying the words twice in the notebooks. The list should also be cut out and put in the baggy that was given today (that is kept in the word study section in the pendafile). Study that list and more work will be done throughout the week. Test will be next week. We rarely test on Fridays.
2. Both classes had math sheets that were started in class. My math class had to do 1-5 on each side and Mrs. Dodd's class needed to do both sides (many finished in class).
3. Our study of the United States has begun! We read today about the different landforms and boundaries in the 5 separate regions. Students need to color the regions on the map they were given using the colors from the book (page 4 or R12-13). Tomorrow we will discuss the difference between climate and weather. What do you already know about those words?
4. Read for 20 minutes. Be sure to jot down the title of your current reading choice on the reading line in your assignment book.
1. We started our first word study list (this is our spelling grade). Notebooks should have come home if the kids didn't finish copying the words twice in the notebooks. The list should also be cut out and put in the baggy that was given today (that is kept in the word study section in the pendafile). Study that list and more work will be done throughout the week. Test will be next week. We rarely test on Fridays.
2. Both classes had math sheets that were started in class. My math class had to do 1-5 on each side and Mrs. Dodd's class needed to do both sides (many finished in class).
3. Our study of the United States has begun! We read today about the different landforms and boundaries in the 5 separate regions. Students need to color the regions on the map they were given using the colors from the book (page 4 or R12-13). Tomorrow we will discuss the difference between climate and weather. What do you already know about those words?
4. Read for 20 minutes. Be sure to jot down the title of your current reading choice on the reading line in your assignment book.
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