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MATH JOURNALS WEEKS 1-9

EDUC 4032 YDJ

Chapter 1 Week 1:
TIMSS Videotape Study
In the reading Lessons from the TIMSS Videotape Study, Geist (2000)
Week 2
Array
12 Dot Circles in Rectangle 4 x 3=12 or 4+4+4= 12
Before i began i instantly looked at how many circles there were. Looking from a mathematical approach i noticed two shapes the rectangle has 12 dots and the L shaped has 3.

What math do you notice?
The math I noticed was adding the columns (diagonal or horizontal to get the sum of the dots. When you break it down into two shapes (4+5+6) =15 or (3+3+3+3+2+1)= 15. Also multiplication (4x3) =12+3 =15.

What math might students think about?
Students can think about how many circles there are in total by using geometry for example the rectangle has an area calculation 3 length x 4 width =12. By observing the patterns it is also possible to make connections between patterns and shapes.

How does this activity support the development of number sense? How would you extend it?
This exercise allows students to explore different ways to use shapes, patterns to understand addition and multiplication.In addition to extend it educators can add more dots to the equation by adding or removing a line. Moving forward allow students to create they own grouping building their confidence.
BIG IDEAS FOR NUMBER SENSE
Counting
Operational Sense
Quantity
Relationships
Representation
Week 3
Place Value in Addition and Subtraction
Commutative Property also known as the "old switcheroo"
3 + 124 = ?

124 + 3 = ?
Week 3
HUNDREDS, TENS, ONES ,
TRADING MOVING TO THE NEXT COLUMN.
MANIPULATIVE UNDERSTANDING REPRESENTED BY TRADING OR EXCHANGING.
Compensation is a mental math strategy for multi-digit addition that involves adjusting one of the addends to make the equation easier to solve.
Week 4