What it is and what you do with it: a set of activities and games teaching addition,subtraction,doubles,halves,even and odd numbers based on Montessori materials (number rods and counters).

Number ranges: 1-10, 0-20, 0-50, 0-99.

What we liked: the concept. Good variety of activities and games. Fun factor. Ease of use (spoken instructions, no distracting elements). Very good educational value. Multiple user accounts. Multiple language versions. Detailed instructions for parents.

What we didn't like: the menu/interface could be more kid-friendly (we recommend parental assistance). No progress tracking/reports.

Appysmarts

What it is and what you do with it: math practice (numbers 1 to 20) with Elmo and Abby from Sesame Street: tracing, videos, coloring pages, mini-games.

Covers: number identification, number tracing, counting groups of objects, addition & subtraction, problem solving.

What we liked: the concept. Great selection of learning material and activities. Features original Sesame Street characters. Narration and spoken instructions. Sound backgrounds and sounds. Ease of use. No ads or other distracting features.

What we didn't like: the games in the 'learn numbers with Elmo' section are a bit basic.

Appysmarts

What it is and what you do with it: a math puzzle game (addition, subtraction, multiplication practice).

Solve math problems to unlock rooms and passages in the houses in the Math Town. Collect fireflies and coins to unlock new talking portraits in the Math Town Gallery.

What we liked: the concept (math practice in a game-like environment). Engagement factor (practice through play). Good educational value. Illustrations and animations. Humor and fun factors. Multiple user accounts with customizable skill sets. Overall quality of the app.

What we didn't like: gets difficult too quickly. We missed some sort of clues to solve the equations (the 'lifelines' just skip a problem). No progress/report charts.

Appysmarts

What it is and what you do with it: a math puzzle game (addition, subtraction, multiplication practice).

Solve math problems to unlock rooms and passages in the houses in the Math Town. Collect fireflies and coins to unlock new talking portraits in the Math Town Gallery.

What we liked: the concept (math practice in a game-like environment). Engagement factor (practice through play). Good educational value. Illustrations and animations. Humor and fun factors. Multiple user accounts with customizable skill sets. Overall quality of the app.

What we didn't like: gets difficult too quickly. We missed some sort of clues to solve the equations (the 'lifelines' just skip a problem). No progress/report charts.

Appysmarts

What it is and what you do with it: a game for early math practice/problem solving skills (spatial reasoning and measurement).

Solve the given problem (e.g. correctly compare lengths) to help get Cat down from the tree.

6 scenes, 5 game levels in each scene.

What we liked: the concept. Good for stress-free math concepts introduction. Original Peg + Cat artwork. Humor and fun factor. Ease of use. Narration and spoken instructions. Sounds and sound backgrounds. No distracting elements.

What we didn't like: we wish there was more variety in the scenes.

Appysmarts

What it is and what you do with it: math/puzzle game based on the Odd Squad TV series (covers basic addition, subtraction, multiplication and division skills).

Calculate the correct number of blocks and tubes to build a path for the Blobs to guide them to their container.

What we liked: the concept. Engaging math game with educational features based on the TV series. Spoken instructions and hints. Sound backgrounds and sounds. Overall quality of the app.

What we didn't like: we wish there was more variety and extra features from level to level.

Appysmarts

What it is and what you do with it: a game for early math practice/problem solving skills (spatial reasoning and measurement).

Solve the given problem (e.g. correctly compare lengths) to help get Cat down from the tree.

6 scenes, 5 game levels in each scene.

What we liked: the concept. Good for stress-free math concepts introduction. Original Peg + Cat artwork. Humor and fun factor. Ease of use. Narration and spoken instructions. Sounds and sound backgrounds. No distracting elements.

What we didn't like: we wish there was more variety in the scenes.

Appysmarts

What is it/what do you do with it: a set of 6 puzzles for early math practice, covering such skills as categorization, number sense, addition, subtraction, multiplication, fractions and logic.

Complete a given matrix by sliding appropriate pieces in place.

There are 9 difficulty levels for each puzzle.

What we liked: the concept. Good variety of puzzles with multiple difficulty levels. Simple illustrations. Ease of use. Hints feature. Simple progress tracking. No distracting elements.

What we didn't like: some of the concepts/solutions may be too difficult for the target age group and may require extra help from a parent or teacher.

Appysmarts

What it is and what you do with it: 6 activities for early math practice (numbers 1-20):

- counting along

- number recognition

- fruit counting

- counting and sorting

- addition

- subtraction What we liked: good range of simple activities. Simple illustrations. Ease of use. Spoken instructions. The 'hints' feature. 2 difficulty levels. Reward system with stickers and bonus game.

What we didn't like: some of the activities offer more variety and engagement than others.

Appysmarts

What it is/what do you do with it: 52 addition and subtraction word problems. 2 levels (numbers up to 10 and numbers up to 20).

Solve the problems using a variety of tools: Drawing Board, Ten Frames, Equation and Number Path (a version of the number line).

Play simple mini-games (Pop the Balloons, Feed the Frog, Draw a Picture, Launch the Planes) for every 10 questions answered correctly.

What we liked: the concept. Good variety of tools. Ease of use. Each problem is read out by the professional narrator. Simple motivation system with bonus mini-games. Very good educational value.

What we didn't like: no progress tracking feature. No hints. We wish there were more problems included in the price.

Appysmarts