Review: Understanding Fraction Comparisons, Decomposing
Fractions, Breaking Up Fractions, Joining Fractions
Assessment – Thursday, March 21, 2013
Matt used a 4 x 4 grid to represent 1 and Jonathan used a 10 x 10 grid to
represent 1. Each boy shaded squares to show ¼.
.
Matt’s grid
Jonathan’s grid
a. Why didn’t they both shade in the same number of grid squares if they
both shaded in ¼ of their grids?
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If a yellow hexagon is one whole, which pattern block shows ? ___________
If a yellow hexagon is one whole, which pattern block shows ? ___________
If a yellow hexagon is one whole, which pattern blocks can you use to show ?
(There is more than one answer.) ________________________________
If a triangle is
of the whole, which pattern block shows one whole? _______
If a triangle is
of the whole, which pattern block shows one whole? _______
If a triangle is
of the whole, which pattern block shows one whole? _______
Break up (decompose) into unit fractions.
= _____________________________
What is another way you can break up (decompose) ?
= _____________________________
Break up (decompose)
into unit fractions.
= _____________________________
What is another way you can break up (decompose)
?
= _____________________________
Show with rectangles how you can break up 2 .
Show with rectangles how you can break up 3 .