Concrete quantity x concrete quantity (4x4): Treasure room with diamonds

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Concrete quantity x concrete quantity (4x4): Treasure room with diamonds - learn through play to sort in a double-entry table.

Welcome to the treasure room filled with sparkling diamonds! In this interactive preschool activity, children learn through play how to sort images in a double-entry table. The task is challenging and fun: drag each image to the correct cell in the 4x4 matrix. Preschoolers look at two features at the same time: the concrete quantity in the rows and the concrete quantity in the columns. The quantities 1, 2, 3 and 4 are the main focus.

Preschoolers practise their logical thinking by combining two concrete quantities. They learn to look carefully, compare and determine which row and column an image belongs to. Step by step, they discover how a double-entry table works and learn to organise information based on two features at the same time.

This matrix activity also supports the development of number sense. Children recognise and compare concrete quantities from 1 to 4 and learn to use these quantities purposefully while sorting. By repeatedly searching for the correct combination, they build a strong foundation for mathematical thinking, classification, structuring and problem-solving.

Language development also plays an important role in this free educational app. The activity includes clear spoken support, allowing preschoolers to hear plenty of language while observing and interacting. Concepts such as quantity, row, column, more, less, the same amount and sorting gain meaning within a concrete and visual context.

The treasure room with diamonds makes abstract concepts attractive and easy to understand. By working with concrete quantities and clear images, preschoolers learn to observe purposefully and make connections. They discover that each cell in the matrix is determined by the combination of a quantity in the row and a quantity in the column.

Thanks to the simple drag-and-drop controls, children also practise their fine motor skills, hand-eye coordination and digital skills. The free app is suitable for use on tablets, computers, interactive whiteboards and other digital learning environments.

This educational activity is ideal for preschool teachers, support teachers, parents and caregivers looking for a playful way to work on double-entry tables, matrix activities, quantities up to 4, logical thinking, sorting, classification, number sense, language development, listening skills and digital literacy.

Let children discover the treasure room through play, sort the diamonds into the correct places and at the same time develop a strong foundation for mathematical thinking, language and learning.

In the online logbook, parents and teachers can easily review afterwards which apps were used and what results were achieved.

Learning goals

  • Logical and mathematical thinking
    • Compare objects and images based on observable properties.
    • Recognize and distinguish properties such as color, shape, size, pattern, object, character, emotion, orientation and direction of movement.
    • Classify and organize images based on one or more characteristics.
    • Recognize and use similarities and differences between images to make a choice.
    • Take two criteria into account simultaneously: a row criterion and a column criterion.
    • Determine which image matches the combination of two given properties.
    • Establish logical relationships between row criteria, column criteria and the corresponding cells of a table.
    • Systematically examine and complete a double-entry table.
    • Solve a simple mathematical problem by comparing, combining and applying information.
    • Check a chosen solution based on the given properties.
    • Handle increasing complexity in 2 × 2, 3 × 3 and 4 × 4 tables.
  • Classifying and organizing
    • Group images based on a common characteristic.
    • Take more than one property into account when organizing images.
    • Select an image that belongs to both a specific row and a specific column.
    • Recognize that one image can have multiple properties at the same time.
    • Distinguish relevant characteristics from characteristics that are not important for the task.
    • Adjust a classification when a different criterion is used.
  • Spatial orientation and structuring
    • Navigate within a grid with rows, columns and individual cells.
    • Understand the relationship between a row, a column and their intersection.
    • Place an image in the correct position within a two-dimensional structure.
    • Purposefully compare and distinguish positions within a grid.
    • Functionally use and understand concepts such as above, below, left, right, row, column and cell.
    • Navigate a visual structure clearly and systematically.
  • Number sense
    • Recognize and distinguish concrete quantities.
    • Match quantities with appropriate number representations or numerals when these are used as a criterion.
    • Relate different representations of the same quantity to one another.
    • Compare and classify number representations, numerals and concrete quantities.
    • Use numerical properties as a criterion within a double-entry table.
  • Visual perception and pattern recognition
    • Focus on characteristics of images and distinguish details from one another.
    • Visually recognize and compare shapes, colors, sizes, patterns and orientations.
    • Recognize regularity and recurring characteristics within rows and columns.
    • Analyze visual information to determine which image belongs in a particular position.
    • Focus attention on multiple visual characteristics simultaneously.
  • Language development
    • Expand vocabulary related to properties such as color, shape, size, pattern, direction, quantity and position.
    • Understand concepts used to describe similarities and differences.
    • Understand simple oral instructions related to classifying, comparing and placing.
    • Name and describe properties of objects and images.
    • Explain why an image belongs to a particular combination of characteristics.
    • Functionally use mathematical concepts such as row, column, cell, same, different, larger, smaller, above, below, left and right.
  • Problem-solving and independent thinking
    • Approach a task step by step and use an appropriate problem-solving strategy.
    • Examine the characteristics before placing an image.
    • Check a choice based on both criteria.
    • Recognize an error and adjust a solution when an image does not meet both conditions.
    • Analyze and solve a double-entry table with increasing independence.
    • Maintain attention and concentration during a multi-step task.
  • Digital literacy
    • Use a digital application purposefully.
    • Perform drag-and-drop actions to place images in the correct cell of a grid.
    • Use digital feedback to check a solution and adjust it if necessary.
    • Work independently or with guidance on an interactive mathematical exercise.
  • Motor development
    • Practice fine motor skills by purposefully dragging and dropping images.
    • Strengthen hand-eye coordination when using a mouse, touchscreen or interactive whiteboard.
    • Accurately place an image within a defined cell of a grid.
    • Act purposefully and with control within a digital environment.

QR code

You can use the downloadable QR code below to navigate directly to this app.