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2.0Use Fraction Strips to represent, compare, order, and operate on fractions. Represent fractions by dragging pieces from the fraction tower into the workspace. Pieces can be placed in a line to form a train. Manipulate the pieces and trains to compare and order fractions or to model fraction operations. Mathematical Concepts: Create visual representations that help explore mathematical thinking related to: ● Understanding part-whole relationships ● Representing, comparing and ordering fractions ● Iterating a unit fraction by copying ● Exploring the relationship between the number of equal partitions in a whole and the fractional unit (denominator) ● Exploring equivalent fractions ● Modelling operations with fractions o placing pieces beside or between each other, to combine fractions (addition) o removing pieces from trains (subtraction) o aligning trains to compare fractions with or without using comparison bars, including to find differences (subtraction) o copying strips or trains to model repeated addition (multiplication) Features: ● Build representations on an infinite workspace ● Drag the leftmost piece from a fraction strip in the fraction tower into the workspace to represent a unit fraction (one-half, one-third, etc.) ● Drag a piece further along the strip into the workspace (the pieces to the left of it are automatically dragged with it) to represent fractions like two-fourths , five-fifths etc. ● Create trains in which the pieces line up precisely ● Align trains using the built-in snapping ● Copy selected pieces or entire trains ● Show/Hide labels on the fraction pieces ● Zoom in on selected pieces, zoom out to see more of the workspace, zoom to fit to reorient the workspace so all fraction pieces are on the screen. ● Show/Hide rulers underneath trains in the workspace ● Show/Hide steppers to use different fractional units on the rulers ● Customize the fraction tower: change the colour of pieces and which pieces are included in the tower ● Reposition the fraction tower by dragging using the dark blue area at the top and use the double-arrow button to change its height ● Identify equivalent fractions using the equivalence bar at the top of the tower. ● Step through a history of your work with the undo/redo buttons ● Communicate your thinking or highlight various features of your representation using the built-in annotation tool ● Import pictures saved on your device. Pictures can be selected, moved, resized, rotated and copied. ● Save your work and open previously saved files.
