2. 6.NS.3.5 Electrons and protons are particles in an
atom with equal but opposite charges.
Electrons have a negative charge and
protons have a positive charge. What is the
charge of an atom with 2 more electrons
than protons?

1. what is the measure of ∠abc? what is the measure of ∠abd?

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?