Description

Scratch Mathematics – 9

Welcome to Scratch Mathematics – 9! This course continues your journey into problem solving, measurement, logic, and algebra using interactive Scratch games.

Explore new challenges with parity, primes, averages, geometry, and logic!

Scratch Mathematics – Course Lessons

Lesson 161 – Parity Path Follow rules for even and odd numbers to trace a valid path across the grid.	Lesson 162 – Goldbach’s Challenge Represent even numbers as the sum of two primes and test your solutions in Scratch.	Lesson 163 – Hidden Dots Use clues to uncover the locations of hidden dots and prove your reasoning.
Lesson 164 – Magic 5×5 Complete a 5×5 magic square so every row, column, and diagonal has the same sum.	Lesson 165 – The $5 Meal Deal Mix and match menu items to hit the $5 target exactly. Practice budgets and combinations.	Lesson 166 – Puzzle Hunt Solve trial-and-error puzzles with structured searches and careful tracking.
Lesson 167 – Puzzle Hunt 2 Tackle tougher constraints and refine your exhaustive-search strategy.	Lesson 168 – Puzzle Hunt 3 Add simulations and motion-based clues to your problem-solving toolkit.	Lesson 169 – Puzzle Hunt 4 Combine digit rules and number patterns to zero in on the unique solution.
Lesson 170 – Dog on the Run Run a distance simulation and track totals with units and precision.	Lesson 171 – Average Hunt Filter numbers by rules (even, odd, prime, thresholds) and compute the mean.	Lesson 172 – Plate Inspector Test license plate candidates against digit and divisibility constraints.
Lesson 173 – Weigh the Melon Balance a scale with known weights to deduce the melon’s mass.	Lesson 174 – Geometry Facts Quiz Answer quick questions about area, perimeter, angles, and polygons.	Lesson 175 – Fraction Match Pair fractions with equivalent forms to strengthen simplification skills.
Lesson 176 – Place Value Challenge Build and decompose numbers to master ones, tens, hundreds, and beyond.	Lesson 177 – Convert It Practice unit conversions (time, length, mass, and more) through interactive puzzles.	Lesson 178 – Target Totals Combine given numbers and operations to hit the exact target sum.
Lesson 179 – Pyramid Puzzle Fill the number pyramid where each brick equals the sum of the two below.	Lesson 180 – Five Box Challenge Test combinations under strict rules to find the only arrangement that works.