Our 3rd teachers does not appreciate second grade teachers who introduce multiplication.
Practice the addition and subtraction facts. Do Mad Minutes, fun addition and subtraction sheets. You can find fun sheets in cheap math activity books at Dollar Stores. Play addition and subtraction games. Put the polish on the addition and subtraction facts and your third grade teacher will say thank you.
I use a math program and we teach multiplication. One way I do this is playing tons of games skipping counting. My favorite is count and point (others call it Tens are Out). We stand in a circle and put our hands together making a "pointerd". We count by all sorts of numbers, but an example would be... Start by pointing to Student A and say 3, Student B -6, C-9, D-12.... and go until you hit the number picked ahead of time. Who ever you are pointing to when you hit the last number sits down and is no longer pointed to during the rest of the game. The last person standing is the person you start on next game. It is a great way to get them to practice skip counting the same numbers many times in a row!!
A great book is Each Orange has 8 slices
I do lots with real items...get out boxes of crayones, markers, and other items to teach what it really is.
Our Curriculum has muliplication through the 5's for our second graders, and the third grade teachers are upset if they arrive at third grade not knowing them. Every school seems to be a little different.
I try to show the correlation between addition and mulitiplication.
We do a lot of examples and all class work. I try to have fun with it.
I show them the School House multiplication Rock. There are a lot of fun activities for multiplication. Scholastic has several books with fun ideas. Check the archives of this board too.
We introduce multiplication by doing word problems and drawing arrays. An example problem would be as follows: Kim bought 4 packs of markers. Each pack has 5 markers. How many markers does Kim have in all. The students can draw boxes with markers to represent the problem or an array of 4 rows of 5 dots or x's.
x x x x x
x x x x x
x x x x x
x x x x x
x x x x x
4 x 5 = 20.
In the beginning, I write the model for the them. ____ x ____ = ____
Soon they get that part on their own.
Our state test usually has a multiplication fact on it. The students know how to draw the array to solve the fact.
We have to have students master 0,1,2,5, and 10 times tables before leaving second grade. There is a cute story in the Everyday Math about doubling. The wubbles double every night. So you start the week with 1 and end up with 128. then to reduce them you blink with one eye (wink) and they cut in half. that intros both multi. and division. it's cute. I then talk about doubling and have them create a creature (or bug) with however many limbs they want, but the same number on both sides for extension. They love it.
Our school district uses Saxon Math and we teach multiplying by 0's, 1's, 2's, 4's, 5's, and 10's. One trick for 5's that I thought was interesting was to introduce them by taking a look at the clock. The 1 on the clock is 5 minutes from the hour. The 2 on the clock is 10 minutes from the hour and so on. We've been doing time to the 5 minute for such a long time that this helps them.
I agree - our 2nd grade students learn their 0-5 multiplication facts before going into 3rd grade. The 3rd grade teachers (me being one!) love that they're already introduced to it.
A great way to teach arrays (like another poster said) is to use the "dot" candy - if you can still find it. You can start off explaining how a cookie sheet has 5 rows of 4 cookies, so that makes 20 cookies. Then give them the dot candy to let them touch the dots and count them, then see how that actually equals 20.
There are fun worksheets, too. In fact, there is a great one on arrays that is a follow-up to the above activity. I found it in the primary Mailbox magazine last year. I'm sure there are others.
is Games for Math (or something like that) by Peggy Kaye. Check your library. She introduces a lot of activities (not all are "games") that help the kids SEE multiplication. For example, give each child (or pair) a sheet of graph paper with squares about 1/2 a cm each. The child rolls the dice and if she rolls a 2 and a 4, then she draws a line two boxes long and then (same starting point) a perpendicular line four boxes high. Finish off the rectangle and color it in and you have eight boxes. If working in pairs, just take turns (one rolls and colors the other "checks" the work of the partner). Use colored pencils and color each a different color and it turns out pretty. Another similar thing is to roll the a die once and draw that many circles (2" in diameter or so) on a paper. Then, roll again and put that many stars (or whatever) in each circle. Count the total number of stars. So if you roll a three then a two you get six stars (three circles of two each). Not really exciting but it DOES give a picture to it. Consider easy word problems that you can act out. "Sally, give each kid in your group five pennies. There are six kids, so how many pennies will you give out?" Sally can count as she does it.
Skip counting works too. March around the room and skip count. If new to skip counting, whisper the "other" numbers. If skip counting by threes, you'd whisper "one, two" and say "three." Whisper "four, five," and say "six." Basic stuff works.
I am a third grade teacher. If I am going on four times tables to get them to master it. Do you do arrays this way?? Also with the whole class do you give them different ones or all the same. I am so confused. I am a new teacher and I have someone observing my class and looking for the best lesson I can do that will be fun for the children and they will get what I am teaching. Thanks!