4AC Unit One practice websites
4AC place value
expanded form practice
explaining place and place value
4AC adding and subtracting
add using expanded form
subtract using expanded form
standard algorithm subtraction
4AC equations and expressions
http://www.mathsisfun.com/definitions/equation.html (definition of an equation)
http://www.mathsisfun.com/definitions/expression.html (definition of an expression)
http://mrnussbaum.com/grade_4_standards/vewp/ (practice writing expressions from word problems)
http://www.mathx.net/downloads/word_problems/MATHX.NET-One-step_word_problems_add_subtract_medium.pdf (practice writing expressions and equations from words)
4th grade rounding
http://www.starrmatica.com/standalone/starrMaticaplaveValueMysteryNumbers.swf (game)
http://www.funbrain.com/tens/index.html (game)
http://www.quia.com/hm/41141.html (game)
http://www.bbc.co.uk/schools/mathsfile/shockwave/games/roundoff.html (game)
4AC place value
expanded form practice
explaining place and place value
4AC adding and subtracting
add using expanded form
subtract using expanded form
standard algorithm subtraction
4AC equations and expressions
http://www.mathsisfun.com/definitions/equation.html (definition of an equation)
http://www.mathsisfun.com/definitions/expression.html (definition of an expression)
http://mrnussbaum.com/grade_4_standards/vewp/ (practice writing expressions from word problems)
http://www.mathx.net/downloads/word_problems/MATHX.NET-One-step_word_problems_add_subtract_medium.pdf (practice writing expressions and equations from words)
4th grade rounding
http://www.starrmatica.com/standalone/starrMaticaplaveValueMysteryNumbers.swf (game)
http://www.funbrain.com/tens/index.html (game)
http://www.quia.com/hm/41141.html (game)
http://www.bbc.co.uk/schools/mathsfile/shockwave/games/roundoff.html (game)
mulitplication arrays
http://nrich.maths.org/8773 (explanation of arrays)
http://illuminations.nctm.org/ActivityDetail.aspx?ID=64 (make arrays)
multiplication area models
https://www.youtube.com/watch?v=mjYYbwuued0 (example of area model)