Slice Fractions

slice fractions

On sale for only $.99  – Slice Fractions was recently listed as one of Apple’s Best of 2014:Apps. Kids learn about fractions as they slice through ice and lava to clear a path for a cute mammoth. Along the way they collect silly hats for the mammoth to wear. As they solve the app’s 90+ physics puzzles, they are exposed to key concepts of fractions – partitioning, equivalent fraction, numerator/denominator notation, ordering, subtracting from a whole, etc. Kids will enjoy learning about fractions in this wordless environment that seems more like a game than math lessons. I love that the app encourages kids to be problem solvers. Its replay button permits them to try each puzzle again and again until they figure it out. Hints are only given when support is needed. The end result is that kids are learning through discovery!  It’s no wonder that this app has received so many accolades: Apple Editor’s Choice, Editor’s Choice for Excellence in Design: Children’s Technology Review, Winner of a Parents’ Choice Gold Award 2014, Gold Medal Winner 2014: International Serious Play Awards, and Best Family Friendly Game 2014: Indie Prize Showcase Awards.

Common Core State Standards met:

  • 2.G.2. Partition a rectangle into rows and columns of same-size squares and count to find the total number of them.
  • 2.G.3. Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of identical wholes need not have the same shape.
  • 3.NF.1. Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.
  • 3.NF.3 – Explain equivalence of fractions and compare fractions by reasoning about their size. Understand two fractions as equivalent (equal) if they are the same size. Recognize and generate simple equivalent fractions, e.g., 1/2 = 2/4, 4/6 = 2/3).
  • 4.NF.2. Compare two fractions with different numerators and different denominators, e.g., by creating common denominators or numerators, or by comparing to a benchmark fraction such as 1/2.
  • 4.NF.3b. Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation.

Download link: https://itunes.apple.com/us/app/slice-fractions/id794730213?mt=8&uo=4

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