MAKING ARRAYS AND MULTIPLICATION REVIEW

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We are working on multiplication in class!

An array is a rectangular pattern of items arranged in columns and rows.

When we describe arrays, we write the number of columns first.

Therefore, this array would read 6 x 3!

Try the array activities posted here for additional practice.

http://www.haelmedia.com/OnlineActivities_txh/mc_txh3_002.html

http://www.learnalberta.ca/content/me3us/flash/lessonLauncher.html?lesson=lessons/08/m3_08_00_x.swf

 

Activities to help with Multiplication patterns over increasing place values.

http://ca.ixl.com/math/grade-4/multiplication-patterns-over-increasing-place-values

http://ca.ixl.com/math/grade-4/multiply-numbers-ending-in-zeroes-word-problems

 

Games Using Multiplication Tables for Additional Practice.

http://www.helpingwithmath.com/by_subject/multiplication/mul_games.htm

http://www.multiplication.com/games/play/pattys-paints

http://www.fun4thebrain.com/multiplication/herocostumecloset.html

http://www.mathcats.com/explore/multiplicationtable.html

http://www.bbc.co.uk/bitesize/ks1/maths/multiplication/play/

 http://www.multiplication.com/games/play/wades-workout

http://www.wicked.org.nz/r/wick_ed/maths/interactives_matrix.php

 

A Game to Print and Try at Home: Racing Rectangles….click link below to print out the grid for playing.

http://mathgr3-5.pds-hrd.wikispaces.net/file/view/racing+rectangles.pdf

Racing Rectangles is a game that can help reinforce arrays and multiplication.  Students, working in pairs, take turns rolling two dice.  Each student must choose a different colored marker or crayon to use.  The student outlines and fills in a rectangle that matches what they rolled.
For example, if the student rolled a 4 and 3, that student would fill in a 4×3 rectangle on the grid.  The player then writes the total number of squares inside the rectangle.
A player loses a turn when his or her rectangle cannot fit on the game board.  Play continues back and forth until neither player can’t draw a rectangle.
Students count up their total of squares they colored.
The winner is the one with the highest number of squares filled in.
Here is an example of what a game board might look like…
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