Download Math Whizz Recording Sheet – Grade Six

Math Whizz Recording Sheet – 4th grade – Multiple Towers and Division Stories
Investigation 1
Name ______________________________
Tab 4 - Pencil and Paper – Multiplication
Level A
Level B
Name of Math Whizz Activity
1. Informal methods of multiplication for TU x U without carrying
1. Informal methods of multiplication for TU x U with exchange
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Tab 4 - Mental Calculation Strategies – Multiplication & Division
Level A
Name of Math Whizz Activity
1. Partitioning
Date
Investigation 2
Tab 3 - Mental Calculation Strategies – Multiplication & Division
Name of Math Whizz Activity
Level A
2. Get a division statement that corresponds to a multiplication statement
and visa versa
3. Recognize that division is the inverse of multiplication
Tab 4 - Rapid Recall – Multiplication & Division
Level B
Level C
Name of Math Whizz Activity
1. Recall of division facts corresponding to 2x table
2. Recall division facts of 10x table
3. Recall of division facts 5x table
4. Recall of division facts of 3x table
5. Recall of division facts of 4x table
2. Halving two digit numbers
Tab 4 - Pencil and Paper – Division
Level A
Name of Math Whizz Activity
1. Find remainders after division (dividing by 2 digit numbers by 2, 5
and 10)
2. Round up according to the context
3. Rounding down depending on the context
4. Round down according to a different context
Multiple Towers and Division Stories – Grade 4 – v. 1
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Investigation 3
Tab 4 - Mental Calculation Strategies – Multiplication & Division
Level D
Name of Math Whizz Activity
1. Multiplying by 10 and 100
5. Introducing mental strategies for the multiplication of a two digit
multiple of ten by a one digit number
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Tab 5 - Mental Calculation Strategies – Multiplication & Division
Level D
Name of Math Whizz Activity
5. Mental multiplying of 2 digit multiple of 10 or 3 digit multiple of 100 by a
1 digit number
Investigation 4
Tab 4 - Mental Calculation Strategies – Multiplication & Division
Level A
Level D
Name of Math Whizz Activity
1. Partitioning
3. Using known facts for mental doubling of multiples 5, up to 100
4. Mental halving of any three digit multiple of ten
5. Mental strategies for the x of a 2- digit multiple of 10 by a 1-digit nr
6. Mental strategies for the x of any two digit number by 2, 3, 4 or 5
Tab 4 - Pencil and Paper – Multiplication
Level A
Level B
Level C
Level D
Name of Math Whizz Activity
1. Informal methods of multiplication for TU x U without carrying
1. Informal methods of multiplication for TU x U with exchange
1. Develop and refine vertical written methods for TU x U, expanded
1. Develop and refine vertical methods for TU x U in condensed form
Tab 4 - Rapid Recall – Multiplication & Division
Level C
Name of Math Whizz Activity
1. Doubling two digit numbers
2. Halving two digit numbers
3. Doubling 3 digit numbers
4. Halving 3 digit numbers
5. Doubling 4 digit numbers
6. Halving 4 digit numbers
Multiple Towers and Division Stories – Grade 4 – v. 1
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