Category Archives: Math

Relating Metric Units

Changing metres into centimetres and centimetres into metres.

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Changing kilometres into metres and metres into kilometres.

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img_0257

 

Changing centimetres into millimetres and millimetres into cenimetres.

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Multiplying Using a Standard Algorithm

Multiplying a 2-Digit Number by a 2-Digit Number

Multiplying a 2-Digit Number by a 1-Digit Number

 

Try these multiplication activities:

http://cemc2.math.uwaterloo.ca/mathfrog/english/kidz/mult5.shtml (step by step 2dx2d)

http://www.mathplayground.com/multiplication05.html (2dx2d practice questions)

http://www.mathplayground.com/multiplication03.html (2dx1d practice questions)

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Multiplying by Stacking Products

Multiplying a 2-Digit Number by a 2-Digit Number

Multiplying a 2-Digit Number by a 1-Digit Number

Click on the link below and scroll down to watch the video on Partial Product Multiplication.

http://classroomcaboodle.com/videos/math-instruction/

 

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Multiply 2-digit Numbers with Area Models

Try out this website to practise your multiplication with area models.

https://www.khanacademy.org/math/arithmetic/arith-review-multiply-divide/arith-review-place-value-area-models/e/multiplying-2-digit-numbers-with-area-models

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Multiplying Using Array Grids

Multiplying a 2-Digit Number by a 2-Digit Number

Multiplying a 2-Digit Number by a 1-Digit Number

Array Multiplication Game

http://downloads.bbc.co.uk/skillswise/maths/ma12pape/game/ma12pape-game-written-multiplication/multiplication.swf

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Multiplication Fact Practice Websites

Here are some websites to practise your multiplication facts.

Here is a four in a row game like we played in class.

http://hoodamath.com/games/multiplicationgame.php

This site has some head to head action:

http://www.arcademicskillbuilders.com/

This is my favourite.  Tour the solar system by practising your multiplication facts.  Click on skip to Multiflyer to get to the game.

http://www.brainormous.com/online/loader_multiflyer.html

More to come.

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Two-Step Problem Anchor Chart

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Subtraction Facts Practice Games

Here are some websites to practise subtraction facts.

www.gamequarium.com/subtraction.html

www.quia.com/rr/10279.html

 

Here is a site to practise subtracting a 4-digit number from a 4-digit number.

http://www.aaamath.com/sub38gx1.htm

 

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Subtracting 4-Digit Numbers Anchor Chart

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Addition Facts Practice Games


Here are some games to practise addition facts:

http://www.math-play.com/Addition-Game.html

www.prongo.com/math/addition.html

www.prongo.com/madmath/

www.shodor.org/interactivate/activities/ArithmeticFour/

 

Here is a website to practise adding a 4-digit number to a 4-digit number.

http://www.aaamath.com/add38c_ax3.htm

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