standard_description: Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.
problem_activity: $${\overline{AD} \parallel \overline{BC}}$$
and
$${\angle EJB}$$
is supplementary to
$${\angle JBK}$$
. Prove that
$${\overline {AD} \parallel \overline{JE}}$$
.
[IMG]


aligns: no