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Math Expressions
4th and 5th Grade
Multiplication and Division Strategies

ts em a (4 th) & M rs . Eding (5th)
M rs . G or

Thursday, March 29, 2012
Tonight’s Goals

To explain the various methods of multiplication
and division so parents understand the “method
behind the madness.”
To give parents more tools to support their child
at home.

Thursday, March 29, 2012
Multiplication

Thursday, March 29, 2012
Common Core State Standards
for Multiplication
Fourth Grade: Multiply a whole number of up to four digits by a
one-digit number, and multiply two two-digit numbers, using strategies
based on place value and the properties of operations. Illustrate and
explain the calculation by using equations, rectangular arrays, and/or
area models.

Fifth Grade: Fluently multiply multi-digit whole numbers using the
standard algorithm.

Thursday, March 29, 2012
Multiplication Fact Fluency
Encourage your child to
practice multiplication
facts at home frequently
Websites: Xtramath.com,
ictgames.com,
illuminations.com,
multiplication.com/
games
Flash Cards: known & unknown

Thursday, March 29, 2012
Rectangle Sections Method
Multiplication
4 x 237 =
948

43 x 67 =
2,881

Thursday, March 29, 2012
Expanded Notation Method
Multiplication
4 x 237 =
948

43 x 67 =
2,881

Thursday, March 29, 2012
Short Cut Method
(Traditional Multiplication Method)
4 x 237 =
948

43 x 67 =
2,881

Thursday, March 29, 2012
Division

Thursday, March 29, 2012
Common Core State Standards
for Division
Fourth Grade: Find whole number quotients and remainders with
up to four-digit dividends and one-digit divisors, using strategies based
on place value, the properties of operations, and/or the relationship
between multiplication and division. Illustrate and explain the calculation
by using equations, rectangular arrays, and/or area models.

Fifth Grade: Find whole number quotients of whole numbers with
up to four-digit dividends and two-digit divisors, using strategies based
on place value, the properties of operations, and/or the relationship
between multiplication and division. Illustrate and explain the calculation
by using equations, rectangular arrays, and/or area models.

Sixth Grade: Fluently divide multi-digit numbers using the
standard algorithm.

Thursday, March 29, 2012
Rectangle Sections Method
Division
3,822 / 7 =
546

2,048 / 32 =
64

Thursday, March 29, 2012
Expanded Notation Method
Division
3,822 / 7 =
546

2,048 / 32 =
64

Thursday, March 29, 2012
Digit-by-Digit Method
(Traditional Long Division)
3,822 / 7 =
546

2,048 / 32 =
64

Thursday, March 29, 2012
Support Resources
Add any web-based resources here (Apps or
websites)
Accessible Algorithms (Math Expressions Web Site)
http://www.eduplace.com/math/mthexp/g4/algorithms/,
http://www.eduplace.com/math/mthexp/g5/algorithms/

Thursday, March 29, 2012
QUESTIONS

Thursday, March 29, 2012

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4th & 5th session multiplication and division notebook

  • 1. Math Expressions 4th and 5th Grade Multiplication and Division Strategies ts em a (4 th) & M rs . Eding (5th) M rs . G or Thursday, March 29, 2012
  • 2. Tonight’s Goals To explain the various methods of multiplication and division so parents understand the “method behind the madness.” To give parents more tools to support their child at home. Thursday, March 29, 2012
  • 4. Common Core State Standards for Multiplication Fourth Grade: Multiply a whole number of up to four digits by a one-digit number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. Fifth Grade: Fluently multiply multi-digit whole numbers using the standard algorithm. Thursday, March 29, 2012
  • 5. Multiplication Fact Fluency Encourage your child to practice multiplication facts at home frequently Websites: Xtramath.com, ictgames.com, illuminations.com, multiplication.com/ games Flash Cards: known & unknown Thursday, March 29, 2012
  • 6. Rectangle Sections Method Multiplication 4 x 237 = 948 43 x 67 = 2,881 Thursday, March 29, 2012
  • 7. Expanded Notation Method Multiplication 4 x 237 = 948 43 x 67 = 2,881 Thursday, March 29, 2012
  • 8. Short Cut Method (Traditional Multiplication Method) 4 x 237 = 948 43 x 67 = 2,881 Thursday, March 29, 2012
  • 10. Common Core State Standards for Division Fourth Grade: Find whole number quotients and remainders with up to four-digit dividends and one-digit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. Fifth Grade: Find whole number quotients of whole numbers with up to four-digit dividends and two-digit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. Sixth Grade: Fluently divide multi-digit numbers using the standard algorithm. Thursday, March 29, 2012
  • 11. Rectangle Sections Method Division 3,822 / 7 = 546 2,048 / 32 = 64 Thursday, March 29, 2012
  • 12. Expanded Notation Method Division 3,822 / 7 = 546 2,048 / 32 = 64 Thursday, March 29, 2012
  • 13. Digit-by-Digit Method (Traditional Long Division) 3,822 / 7 = 546 2,048 / 32 = 64 Thursday, March 29, 2012
  • 14. Support Resources Add any web-based resources here (Apps or websites) Accessible Algorithms (Math Expressions Web Site) http://www.eduplace.com/math/mthexp/g4/algorithms/, http://www.eduplace.com/math/mthexp/g5/algorithms/ Thursday, March 29, 2012