HAMSTER GRID: Decimal Math

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What is the objective of the game?

The game Decimal Numbers with the Hamster consists of solving simple math problems involving addition, subtraction, multiplication, and division with decimal numbers to help a friendly hamster navigate through a platform environment. By correctly answering each math prompt within the time limit, the hamster climbs up and down stairs toward its next calculation challenge. Game controls are intuitive and easy to use: simply click or tap the screen to select the correct answer from the multiple choices. Players have a 10-second timer per question and a total of 5 lives per game, allowing up to 5 mistakes before the run ends.

Recommended age and grade level

This game is recommended for ages 9 and up (Grade 4 / Upper Elementary School and beyond), as it requires prior knowledge of basic arithmetic operations and decimal place concepts.

• Upper Elementary and Middle School students: Ideal for building speed in mental math with decimals and sharpening math facts before tests.
• Teachers and educators: An excellent classroom tool for math gamification, warm-ups, or unit reviews.
• Parents and therapists: Highly beneficial for children who need practice with processing speed and sustained focus under timed conditions.
• Adults and seniors: A great activity for cognitive stimulation and keeping mental math skills sharp.

How to play: single-player or multiplayer

Decimal Numbers with the Hamster is a single-player game where players progress at their own pace across 3 selectable difficulty levels (easy, medium, or hard). While structured for solo play, it easily converts into a collaborative or competitive group activity, where students take turns to see who can reach the highest platform without losing all 5 lives.

What do you learn with this game? Skills and learning outcomes

This game directly aligns with elementary math curricula and STEM skills, developing key mathematical and cognitive competencies:

• Arithmetic and mental math: Mastery of basic operations with single-digit decimal numbers.
• Processing speed: Fast-paced decision-making within a strict 10-second countdown.
• Attention to detail: Quick recognition of decimal point alignment to avoid careless errors.
• Time management and composure: Managing timer pressure while maintaining accuracy.

Tips to get the most out of this game

Pedagogical tip: Use the 3 difficulty settings to match the game's pace to the student's current skill level. If timer anxiety occurs, have the learner read the equation out loud before checking the answer choices. Unplugged activity (hands-on alternative): Have students track their correct and incorrect answers on paper after a session and calculate their accuracy percentage. You can also create physical flashcards with decimal problems for peer-to-peer timed challenges.