Scratch Mathematics – 20 is a collection of twenty carefully crafted Scratch games that blend logic, number sense, arithmetic, and geometry into playful, interactive challenges, helping students build deep mathematical understanding through exploration and visual reasoning.
Welcome to Scratch Mathematics – 20! This course brings together twenty carefully designed Scratch games that challenge students to think deeply about number sense, logic, arithmetic strategies, geometry, and mathematical structure through interactive play.
Lesson 381 – Times Table Grid
Fill in missing numbers to complete times tables using logic, multiplication, and careful reasoning.
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Lesson 382 – Change It
Use operations to transform one number into another and choose the strategy that makes it work.
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Lesson 383 – Ten-Coin Challenge
Use exactly ten coins to match the target amount and discover how many different combinations you can make.
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Lesson 384 – Path to the Total
Choose a route through the grid so every possible path adds up to the same total.
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Lesson 385 – Magic Star
Balance the numbers so all five sides of the star add up to the same target.
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Lesson 386 – Factor Duel
Take turns subtracting factors from a number and race to be the player who reaches 1 first.
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Lesson 387 – Palindrome Machine
Step through a reverse-and-add machine and see how many moves it takes to reveal a number’s symmetry.
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Lesson 388 – Math Jigsaw Quest
Solve math questions to flip jigsaw pieces and reveal a hidden picture, one answer at a time.
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Lesson 389 – Math Jigsaw Quest – II
Flip jigsaw pieces by solving negative-number questions and uncover the picture piece by piece.
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Lesson 390 – Math Jigsaw Quest – III
Solve decimal questions to flip jigsaw pieces and reveal the hidden picture, one piece at a time.
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Lesson 391 – Math Jigsaw Quest – IV
Solve order-of-operations puzzles to flip jigsaw pieces and reveal the hidden picture.
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Lesson 392 – Subtraction Squares
Watch repeated subtraction transform a square of numbers until every pattern settles into zero.
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Lesson 393 – The Long Division Machine
See long division unfold step by step as the machine reveals each move with every click.
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Lesson 394 – Division Detective
Solve long-division mysteries by finding the missing digit and helping Tera crack each case, one card at a time.
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Lesson 395 – Decimal Compare
Compare two decimals and choose the correct symbol to help Tera solve each numerical case.
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Lesson 396 – Missing Decimal
Fill in the missing digit to make the decimal statement true and complete the comparison.
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Lesson 397 – Spin for It
Spin the wheel, find the matching value, and clear the grid by linking decimals, fractions, and percents.
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Lesson 398 – Slice by Slice
Build fractions slice by slice and watch how adding pieces turns fraction addition into something you can see.
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Lesson 399 – Flip, Turn, or Slide
Compare two shapes and identify whether the change is a translation, rotation, or reflection.
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Lesson 400 – Shape Sense
Use clues to identify the correct shape or solid from three choices in this fast, friendly quiz game.
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