Khan Academy/ Matemática 5.º Ano

 

https://pt-pt.khanacademy.org/math/5-ano/x41610639b1d50f23:numeros/x41610639b1d50f23:potencias/e/powers-of-ten

https://pt-pt.khanacademy.org/math/basic-geo/basic-geo-angle/angle-intro/e/angle-basics?modal=1

https://pt-pt.khanacademy.org/math/basic-geo/basic-geo-angle/basic-geo-angle-types/e/angle_types

https://pt-pt.khanacademy.org/math/basic-geo/basic-geo-angle/basic-geo-angle-types/e/recognizing-angles

https://pt-pt.khanacademy.org/math/basic-geo/basic-geo-angle/measure-angles/e/measuring_angles

https://pt-pt.khanacademy.org/math/basic-geo/basic-geo-angle/measure-angles/e/drawing-angles

 

https://pt-pt.khanacademy.org/math/5-ano/x41610639b1d50f23:numeros/x41610639b1d50f23:comparacao-e-ordenacao-fracoes/e/comparing_fractions_with_the_same_denominator

https://pt-pt.khanacademy.org/math/5-ano/x41610639b1d50f23:numeros/x41610639b1d50f23:comparacao-e-ordenacao-fracoes/e/comparing_fractions_with_the_same_numerator

https://pt-pt.khanacademy.org/math/5-ano/x41610639b1d50f23:numeros/x41610639b1d50f23:comparacao-e-ordenacao-fracoes/e/comparing_fractions_2

https://pt-pt.khanacademy.org/math/5-ano/x41610639b1d50f23:numeros/x41610639b1d50f23:comparacao-e-ordenacao-fracoes/e/ordering_fractions

https://pt-pt.khanacademy.org/math/5-ano/x41610639b1d50f23:numeros/x41610639b1d50f23:adicao-e-subtracao-fracoes/e/adding_fractions_with_common_denominators

https://pt-pt.khanacademy.org/math/5-ano/x41610639b1d50f23:numeros/x41610639b1d50f23:adicao-e-subtracao-fracoes/e/subtracting_fractions_with_common_denominators

https://pt-pt.khanacademy.org/math/5-ano/x41610639b1d50f23:numeros/x41610639b1d50f23:adicao-e-subtracao-fracoes/e/adding_fractions

https://pt-pt.khanacademy.org/math/arithmetic/fraction-arithmetic/x18ca194a:fractions-on-the-number-line/e/fractions_on_the_number_line_1

https://pt-pt.khanacademy.org/math/arithmetic/fraction-arithmetic/x18ca194a:fractions-on-the-number-line/e/fractions-greater-than-1-on-the-number-line