Unit Conversions And Problem Solving With Metric Measurement - Lesson Plan Template Page 4

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Number Bond: This bond is showing that the addends or parts, 8 and 2,
together total the sum, 10.
10
8
2
Number Line: The number line is used to develop a deeper
understanding of whole number units, fraction units, measurement
units, decimals, and negative numbers. Throughout Grades K-5, the
number line models measuring units.
Tape Diagram: Tape diagrams, also called bar models, are pictorial
representations of relationships between quantities used to solve word
problems. At the heart of a tape diagram is the idea of forming units. In
fact, forming units to solve word problems is one of the most powerful
examples of the unit theme and is particularly helpful for understanding
fraction arithmetic.
The tape diagram provides an essential bridge to algebra and is often
called “pictorial algebra.” There are two basic forms of the tape diagram
model. The first form is sometimes called the part-whole model; it uses
bar segments placed end-to-end (Grade 3 Example on next page), while
the second form, sometimes called the comparison model, uses two or
more bars stacked in rows that are typically left justified. (Grade 5
Example, on next page, depicts this model.)

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