Qual número está escondido? (21) - Cavaleiro - Equação do Primeiro Grau - Habilidades da BNCC
In this video, I explain how to determine which number is hidden by the knight (21) and solve this challenge using a first-degree equation. To solve it, I explore some of the skills from the BNCC (Brazilian National Curriculum) for Elementary School in the following years: 6th grade: (EF06MA14) - which refers to recognizing that the mathematical equality relationship does not change when adding, subtracting, multiplying, or dividing its two members by the same number and using this notion to determine unknown values in problem solving. 7th grade: (EF07MA18) - which refers to solving and creating problems that can be represented by first-degree polynomial equations, reducible to the form ax + b = c, making use of the properties of equality. To watch later: 🎬 What number is hidden? (1) - Monkey Emoji - First-Degree Equation - • Qual número está escondido? (1) - Emoji do... 🎬 Challenge: what number is hidden? (2) - Kitten in Love Emoji - First-Degree Equation - • Qual número está escondido? (2) - Emoji do... 🎬 Challenge: what number is hidden? (3) - Sleeping Puppy - First Degree Equation - • Qual número está escondido? (3) - Cachorri... 🎬 Challenge: What number is hidden? (4) - Fire Truck - First Degree Equation - • Qual número está escondido? (4) - Caminhão... 🎬 What number is hidden? (5) - Sleeping Emoji - First Degree Equation - • Qual número está escondido? (5) - Emoji do... 🎬 What number is hidden? (6) - Traffic Light - First Degree Equation - • Qual número está escondido? (6) - Semáfo... 🎬 What number is hidden? (7) - Kitten on the clothesline - First Degree Equation - • Qual número está escondido? (7) - Gatinh... 🎬 What number is hidden? (8) - Ghost Emoji - First Degree Equation - • Qual número está escondido? (8) - Emoji ... 🎬 What number is hidden? (9) - Julio - First Degree Equation - • Qual número está escondido? (9) - Julio ... 🎬 What number is hidden? (10) - Panda Bear - First Degree Equation - • Qual número está escondido? (10) - Urso ... 🎬 What number is hidden? (11) - Pterodactyl - First Degree Equation - • Qual número está escondido? (11) - Ptero... 🎬 What number is hidden? (12) - Opossum - First Degree Equation - • Qual número está escondido? (12) - Gambá... 🎬 What number is hidden? (13) - Octopus - First Degree Equation - • Qual número está escondido? (13) - Polvo... 🎬 What number is hidden? (14) - Sunglasses Emoji - First Degree Equation - • Qual número está escondido? (14) - Emoji... 🎬 What number is hidden? (15) - Shark - First Degree Equation - BNCC Skills - • Qual número está escondido? (15) - Tubar... 🎬 What number is hidden? (16) - Bird - First Degree Equation - BNCC Skills - • Qual número está escondido? (16) - Pássa... 🎬 What number is hidden? (17) - Astronaut - First Degree Equation - BNCC Skills - • Qual número está escondido? (17) - Astro... 🎬 What number is hidden? (18) - Emoji - First Degree Equation - BNCC Skills - • Qual número está escondido? (18) - Emoji... 🎬 What number is hidden? (19) - Detective Dog - First-Degree Equation - BNCC Skills - • Qual número está escondido? (19) - Cão D... 🎬 What number is hidden? (20) - Baby Reindeer - First-Degree Equation - BNCC Skills - • Qual número está escondido? (20) - Bebê ... #StudyingMathematics #Mathematics #ElementarySchool #HighSchool #EarlyYears #ProblemSolving #BNCC #ENEM

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