Category Archives: math apps

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Motion Math: Hungry Fish

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The trial version of this app is FREE for the iPhone/iPad. Designed for kids ages 4+, this app has 18 different levels. Later levels require knowledge of regrouping so it is suitable for preschool through grades 3 or 4. It fits the Common Core Standards for addition through grade 2. The concept is simple but engaging – kids need to feed the fish in order to keep it alive. The faster it is fed, the bigger it grows.  If it is not fed fast enough it gets smaller and smaller until it disappears. Each fish has a number on its body. It only eats that number. Kids pinch numbers together to create the sum their fish needs. Bonus fish colors and fins become available when a level is successfully completed. Additional levels of addition, subtraction, and negative numbers are available as in-app purchases.

Common Core Standards met in this trial version:

  • 1.OA.6 – Add and subtract within 20
  • 2.OA.1 -Use addition and subtraction within 100

This is a fun app – I found myself playing it a little longer than necessary to review it 😉

Highly recommended!

Motion Math: Hungry Fish - Motion Math

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Subtracting Sardines

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This iPhone/iPad app is currently FREE in the iTunes store. It is geared for preschoolers/grades (K-1). It meets Common Core Standards for kindergarten but please note that the standards are more rigorous for first graders who are expected to add & subtract within 20. With the help of a cute little penguin, kids subtract (up to 9) using sardines. There are a lot of good things about this app. The sardines are displayed on a keyboard with domino like keys (number on the left/picture on the right). The child chooses a subtraction problem and the sardines appear at the top of the screen. Here’s how it works: If a child chooses 7 – 2: 7 sardines appear then 2 sardines are taken away. As the child counts the remaining fish, they are encased in ice. Only the bones left behind of the subtracted fish and they disintegrate if touched. The app even allows for subtraction problems with negative answers (red fish joins the left over bones). Children earn gold coins as they work. Nicely done app that helps kids with the beginning concept of subtraction.

Common Core Standards met:

  • K.OA.2  – Add and subtract within 10, e.g., by using objects or drawings to represent the problem.

Highly Recommended!

Subtracting Sardines HD - Operatio

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KG Math HD

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KG Math HD has 30 different math games designed for early school aged children (grades K – 2). It sells for $1.99 but I downloaded on a FREE day. It is cute, colorful, and easy to use. Concepts taught include counting, adding, subtracting, time, simple fractions, weight, colors, seasons, symmetry, etc. Many of the games seem overly simple for the intended age group – such as top/bottom, in/out, same, different, drag the shape to its shadow. Others games could be better with simple modifications – the time game has no numbers on the clock, the colors games and the shapes game show the word but do not pronounce it. In general I feel that this app is more appropriate for preschoolers than early school age kids. Check it out for yourself on a FREE day.

KG math HD - Mintmomeg

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Friendly Shapes

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This FREE app is for the iPad and iPhone. This cute little story for toddlers/preschoolers starts as Circle goes looking for his friend, Star. Along the way he meets other shapes: Triangle, Square, Rectangle, Pentagon, Heart, and Oval. As each shape joins the search, the group morphs into more complicated vehicles. There are three modes: auto-play, read-it-to-myself and play. There is also an option to record your own voice as you read. Each page also has fun animations, and/or puzzles in addition to the story. All in all, this is a nicely done app for little ones to learn shapes, colors, left/right, etc.

So how can it be FREE? Well, this app that gives you the option of removing the ads for $.99. The ads are placed at the bottom of each page between the backward and the forward arrows. I think little fingers would end up hitting the ad bar somewhat regularly which links to things like a Wizard of Oz interactive book, the Hotels.com app, the download of American Reunion (unrated) in the iTunes store, etc. Obviously, all of these links are not geared towards kids, which baffles me in this day and age. I understand that ads help pay the bills but please gear them towards your users.

Recommended!

Friendly Shapes - funny interactive adventure HD. - TabTale LTD

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Play 1 2 3

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This FREE iPad app has 10 activities that teach colors, shapes and numbers to preschool-aged children. Kids learn about opposite and similar colors as well as mixing colors. They draw circles, squares, triangles and lines.  The numbers 1 – 5 are  also taught.  It’s simply done but appealing and engaging. It is definitely worth downloading.

PLAY123 - CJ Educations