Students then transition to the second or pictorial step by drawing diagrams called "bar-models" to represent specific quantities of an object.[10][21] This involves drawing a rectangular bar to represent a specific quantity. For instance, one short bar would represent five paper clips whereas another bar that is twice as long would represent ten paperclips. By visualizing the difference between the two bars, students could learn to solve problems of addition by adding one bar to the other, which would, in this instance, produce an answer of fifteen paper clips. They can use this method to solve other mathematical problems involving subtraction, multiplication, and division.[10][18] As a tool, bar modeling is considered more efficient than the "guess-and-check" approach, whereby students try a combination of numbers until they found the right numbers that satisfy the conditions of a problem.[10]
Once students have learned to solve mathematical problems using bar modeling, they would transition to the third step by solving mathematical problems in an abstract way using numbers and symbols.
Students then transition to the second or pictorial step by drawing diagrams called "bar-models" to represent specific quantities of an object.[10][21] This involves drawing a rectangular bar to represent a specific quantity. For instance, one short bar would represent five paper clips whereas another bar that is twice as long would represent ten paperclips. By visualizing the difference between the two bars, students could learn to solve problems of addition by adding one bar to the other, which would, in this instance, produce an answer of fifteen paper clips. They can use this method to solve other mathematical problems involving subtraction, multiplication, and division.[10][18] As a tool, bar modeling is considered more efficient than the "guess-and-check" approach, whereby students try a combination of numbers until they found the right numbers that satisfy the conditions of a problem.[10]
Once students have learned to solve mathematical problems using bar modeling, they would transition to the third step by solving mathematical problems in an abstract way using numbers and symbols.
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Students then transition to the second or pictorial step by drawing diagrams called "bar-models" to represent specific quantities of an object.[10][21] This involves drawing a rectangular bar to represent a specific quantity. For instance, one short bar would represent five paper clips whereas another bar that is twice as long would represent ten paperclips. By visualizing the difference between the two bars, students could learn to solve problems of addition by adding one bar to the other, which would, in this instance, produce an answer of fifteen paper clips. They can use this method to solve other mathematical problems involving subtraction, multiplication, and division.[10][18] As a tool, bar modeling is considered more efficient than the "guess-and-check" approach, whereby students try a combination of numbers until they found the right numbers that satisfy the conditions of a problem.[10]
Once students have learned to solve mathematical problems using bar modeling, they would transition to the third step by solving mathematical problems in an abstract way using numbers and symbols.
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